Is 1646 a deficient number and what is its deficiency?

Is 1646 a deficient number?

Here we will explain and calculate if 1646 is a deficient number and its deficiency if applicable.

1646 is a deficient number if the sum of its proper divisors is less than 1646.

The sum of its proper divisors is calculated as follows: 1 + 2 + 823 = 826.

826 is less than 1646. Therefore, 1646 is a deficient number.

The deficiency of 1646 is 1646 minus the sum of its proper divisors. Thus, the deficiency of 1646 is 1646 - 826 = 820

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