9980964 has 36 divisors (see below), whose sum is σ = 28834624. Its totient is φ = 2851632.

The previous prime is 9980941. The next prime is 9980969. The reversal of 9980964 is 4690899.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (9980969) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19552 + ... + 20055.

Almost surely, 2^9980964 is an apocalyptic number.

It is an amenable number.

9980964 is an abundant number, since it is smaller than the sum of its proper divisors (18853660).

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

9980964 is a wasteful number, since it uses less digits than its factorization.

9980964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39624 (or 39619 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 9980964 is about 3159.2663705360. The cubic root of 9980964 is about 215.3066761042.

The spelling of 9980964 in words is "nine million, nine hundred eighty thousand, nine hundred sixty-four".