Test 3,645 for Divisibility by 9

Given Number: 3,645
Test a Number for Divisibility by Nine (9):
• A Number is divisible by 9 if the Sum of the Digits in the Number is divisible by 9
Sum of the Digits in 3,645: 3+6+4+5 = 18
18 is divisible by 9, 18 ÷ 9 = 2
Therefore, 3,645 is divisible by 9
Notes:

• 3,645 ÷ 9 = 405
• Since 3 is a factor of 9, 3,645 is also divisible by 3