9980376 has 32 divisors (see below), whose sum is σ = 28515840. Its totient is φ = 2851488.

The previous prime is 9980363. The next prime is 9980389. The reversal of 9980376 is 6730899.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9980363) and next prime (9980389).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29536 + ... + 29871.

It is an arithmetic number, because the mean of its divisors is an integer number (891120).

Almost surely, 2^9980376 is an apocalyptic number.

It is an amenable number.

9980376 is an abundant number, since it is smaller than the sum of its proper divisors (18535464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9980376 is a wasteful number, since it uses less digits than its factorization.

9980376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59423 (or 59419 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 9980376 is about 3159.1733095859. The cubic root of 9980376 is about 215.3024479618.

The spelling of 9980376 in words is "nine million, nine hundred eighty thousand, three hundred seventy-six".