9980380 has 24 divisors (see below), whose sum is σ = 21526848. Its totient is φ = 3883968.

The previous prime is 9980363. The next prime is 9980389. The reversal of 9980380 is 830899.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9980389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6004 + ... + 7483.

It is an arithmetic number, because the mean of its divisors is an integer number (896952).

Almost surely, 2^9980380 is an apocalyptic number.

It is an amenable number.

9980380 is an abundant number, since it is smaller than the sum of its proper divisors (11546468).

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

9980380 is a wasteful number, since it uses less digits than its factorization.

9980380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13533 (or 13531 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 9980380 is about 3159.1739426629. The cubic root of 9980380 is about 215.3024767253.

The spelling of 9980380 in words is "nine million, nine hundred eighty thousand, three hundred eighty".