Is 1869 a deficient number and what is its deficiency?

Is 1869 a deficient number?

Here we will explain and calculate if 1869 is a deficient number and its deficiency if applicable.

1869 is a deficient number if the sum of its proper divisors is less than 1869.

The sum of its proper divisors is calculated as follows: 1 + 3 + 7 + 21 + 89 + 267 + 623 = 1011.

1011 is less than 1869. Therefore, 1869 is a deficient number.

The deficiency of 1869 is 1869 minus the sum of its proper divisors. Thus, the deficiency of 1869 is 1869 - 1011 = 858

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