Is 3997 a deficient number and what is its deficiency?

Is 3997 a deficient number?

Here we will explain and calculate if 3997 is a deficient number and its deficiency if applicable.

3997 is a deficient number if the sum of its proper divisors is less than 3997.

The sum of its proper divisors is calculated as follows: 1 + 7 + 571 = 579.

579 is less than 3997. Therefore, 3997 is a deficient number.

The deficiency of 3997 is 3997 minus the sum of its proper divisors. Thus, the deficiency of 3997 is 3997 - 579 = 3418

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