Is 4006 a deficient number and what is its deficiency?

Is 4006 a deficient number?

Here we will explain and calculate if 4006 is a deficient number and its deficiency if applicable.

4006 is a deficient number if the sum of its proper divisors is less than 4006.

The sum of its proper divisors is calculated as follows: 1 + 2 + 2003 = 2006.

2006 is less than 4006. Therefore, 4006 is a deficient number.

The deficiency of 4006 is 4006 minus the sum of its proper divisors. Thus, the deficiency of 4006 is 4006 - 2006 = 2000

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