The problem asks to round the number $2046489$ to the nearest ten.

1. Problem Description

The problem asks to round the number $2046489$ to the nearest ten.

2. Solution Steps

To round the number $2046489$ to the nearest ten, we need to look at the ones digit.

The ones digit is $9$.

Since the ones digit is $9 \ge 5$, we round up the tens digit.

The tens digit is $8$.

When we round up, the tens digit becomes $8 + 1 = 9$.

The ones digit becomes $0$.

Therefore, the number rounded to the nearest ten is $2046490$.

3. Final Answer

2046490