9964256 has 24 divisors (see below), whose sum is σ = 19817784. Its totient is φ = 4931200.

The previous prime is 9964247. The next prime is 9964259. The reversal of 9964256 is 6524699.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9964259) 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, 1691 + ... + 4773.

It is an arithmetic number, because the mean of its divisors is an integer number (825741).

Almost surely, 2^9964256 is an apocalyptic number.

It is an amenable number.

9964256 is a deficient number, since it is larger than the sum of its proper divisors (9853528).

9964256 is a wasteful number, since it uses less digits than its factorization.

9964256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3194 (or 3186 counting only the distinct ones).

The product of its digits is 116640, while the sum is 41.

The square root of 9964256 is about 3156.6209781980. The cubic root of 9964256 is about 215.1864688405.

The spelling of 9964256 in words is "nine million, nine hundred sixty-four thousand, two hundred fifty-six".