Is 3978 a deficient number and what is its deficiency?

Is 3978 a deficient number?

Here we will explain and calculate if 3978 is a deficient number and its deficiency if applicable.

3978 is a deficient number if the sum of its proper divisors is less than 3978.

The sum of its proper divisors is calculated as follows: 1 + 2 + 3 + 6 + 9 + 13 + 17 + 18 + 26 + 34 + 39 + 51 + 78 + 102 + 117 + 153 + 221 + 234 + 306 + 442 + 663 + 1326 + 1989 = 5850.

5850 is not less than 3978. Therefore, 3978 is not a deficient number.

The deficiency of 3978 is 3978 minus the sum of its proper divisors. Thus, the deficiency of 3978 is 3978 - 5850 = No Deficiency

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