Is 3861 a deficient number and what is its deficiency?

Is 3861 a deficient number?

Here we will explain and calculate if 3861 is a deficient number and its deficiency if applicable.

3861 is a deficient number if the sum of its proper divisors is less than 3861.

The sum of its proper divisors is calculated as follows: 1 + 3 + 9 + 11 + 13 + 27 + 33 + 39 + 99 + 117 + 143 + 297 + 351 + 429 + 1287 = 2859.

2859 is less than 3861. Therefore, 3861 is a deficient number.

The deficiency of 3861 is 3861 minus the sum of its proper divisors. Thus, the deficiency of 3861 is 3861 - 2859 = 1002

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