Is 3986 a deficient number and what is its deficiency?

Is 3986 a deficient number?

Here we will explain and calculate if 3986 is a deficient number and its deficiency if applicable.

3986 is a deficient number if the sum of its proper divisors is less than 3986.

The sum of its proper divisors is calculated as follows: 1 + 2 + 1993 = 1996.

1996 is less than 3986. Therefore, 3986 is a deficient number.

The deficiency of 3986 is 3986 minus the sum of its proper divisors. Thus, the deficiency of 3986 is 3986 - 1996 = 1990

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