What is 397,506 rounded to the nearest ten-thousand?

I think it may be 398,000 because 397,506 number 7 is close to 5 and when you see number 5 it means you have to go up one number Number the tells you to go up are 5, 6, 7, 8, and 9 Number the tells you to stay the same are 0, 1, 2, 3, and 4