Is 3890 a deficient number and what is its deficiency?

Is 3890 a deficient number?

Here we will explain and calculate if 3890 is a deficient number and its deficiency if applicable.

3890 is a deficient number if the sum of its proper divisors is less than 3890.

The sum of its proper divisors is calculated as follows: 1 + 2 + 5 + 10 + 389 + 778 + 1945 = 3130.

3130 is less than 3890. Therefore, 3890 is a deficient number.

The deficiency of 3890 is 3890 minus the sum of its proper divisors. Thus, the deficiency of 3890 is 3890 - 3130 = 760

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