9908864 has 32 divisors (see below), whose sum is σ = 22562400. Its totient is φ = 4246272.

The previous prime is 9908851. The next prime is 9908867. The reversal of 9908864 is 4688099.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (9908867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4634 + ... + 6425.

It is an arithmetic number, because the mean of its divisors is an integer number (705075).

Almost surely, 2^9908864 is an apocalyptic number.

It is an amenable number.

9908864 is an abundant number, since it is smaller than the sum of its proper divisors (12653536).

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

9908864 is a wasteful number, since it uses less digits than its factorization.

9908864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11080 (or 11068 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 9908864 is about 3147.8348114220. The cubic root of 9908864 is about 214.7869820930.

The spelling of 9908864 in words is "nine million, nine hundred eight thousand, eight hundred sixty-four".