Is 3964 a deficient number and what is its deficiency?

Is 3964 a deficient number?

Here we will explain and calculate if 3964 is a deficient number and its deficiency if applicable.

3964 is a deficient number if the sum of its proper divisors is less than 3964.

The sum of its proper divisors is calculated as follows: 1 + 2 + 4 + 991 + 1982 = 2980.

2980 is less than 3964. Therefore, 3964 is a deficient number.

The deficiency of 3964 is 3964 minus the sum of its proper divisors. Thus, the deficiency of 3964 is 3964 - 2980 = 984

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