Is 1636 a deficient number and what is its deficiency?

Is 1636 a deficient number?

Here we will explain and calculate if 1636 is a deficient number and its deficiency if applicable.

1636 is a deficient number if the sum of its proper divisors is less than 1636.

The sum of its proper divisors is calculated as follows: 1 + 2 + 4 + 409 + 818 = 1234.

1234 is less than 1636. Therefore, 1636 is a deficient number.

The deficiency of 1636 is 1636 minus the sum of its proper divisors. Thus, the deficiency of 1636 is 1636 - 1234 = 402

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