Is 978 a deficient number and what is its deficiency?

Is 978 a deficient number?

Here we will explain and calculate if 978 is a deficient number and its deficiency if applicable.

978 is a deficient number if the sum of its proper divisors is less than 978.

The sum of its proper divisors is calculated as follows: 1 + 2 + 3 + 6 + 163 + 326 + 489 = 990.

990 is not less than 978. Therefore, 978 is not a deficient number.

The deficiency of 978 is 978 minus the sum of its proper divisors. Thus, the deficiency of 978 is 978 - 990 = No Deficiency

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