Write the successor and predecessor of 2006389. Also, find their difference.

Answer

To solve the problem, we need to find the successor and predecessor of the number 2006389, and then calculate the difference between them. Let's go through the steps one by one.

### Step 1: Find the Successor
The successor of a number is obtained by adding 1 to that number.

- **Calculation**:
\[ \text{Successor} = 2006389 + 1 = 2006390 \]

### Step 2: Find the Predecessor
The predecessor of a number is obtained by subtracting 1 from that number.

- **Calculation**:
\[ \text{Predecessor} = 2006389 - 1 = 2006388 \]

### Step 3: Find the Difference
The difference between the successor and predecessor can be calculated by subtracting the predecessor from the successor.

- **Calculation**:
\[ \text{Difference} = \text{Successor} - \text{Predecessor} = 2006390 - 2006388 \]
- Simplifying this gives:
\[ \text{Difference} = 2 \]

### Final Answer
- Successor: 2006390
- Predecessor: 2006388
- Difference: 2