Is 1089 an abundant number and what is its abundance?

Is 1089 an abundant number?

Here we will explain and calculate if 1089 is an abundant number and its abundance if applicable.

1089 is an abundant number if the sum of its proper divisors is greater than 1089.

The sum of its proper divisors is calculated as follows: 1 + 3 + 9 + 11 + 33 + 99 + 121 + 363 = 640.

640 is not greater than 1089. Therefore, 1089 is not an abundant number.

The abundance of 1089 is the sum of its proper divisors minus 1089. Thus, the abundance of 1089 is 640 - 1089 = no abundance

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