9996864 has 28 divisors (see below), whose sum is σ = 26450544. Its totient is φ = 3332224.

The previous prime is 9996859. The next prime is 9996887. The reversal of 9996864 is 4686999.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25842 + ... + 26225.

Almost surely, 2^9996864 is an apocalyptic number.

It is an amenable number.

9996864 is an abundant number, since it is smaller than the sum of its proper divisors (16453680).

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

9996864 is a wasteful number, since it uses less digits than its factorization.

9996864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52082 (or 52072 counting only the distinct ones).

The product of its digits is 839808, while the sum is 51.

The square root of 9996864 is about 3161.7817761509. The cubic root of 9996864 is about 215.4209456246.

The spelling of 9996864 in words is "nine million, nine hundred ninety-six thousand, eight hundred sixty-four".