9664256 has 36 divisors (see below), whose sum is σ = 22050672. Its totient is φ = 4141056.

The previous prime is 9664247. The next prime is 9664273. The reversal of 9664256 is 6524669.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 905 + ... + 4488.

Almost surely, 2^9664256 is an apocalyptic number.

It is an amenable number.

9664256 is an abundant number, since it is smaller than the sum of its proper divisors (12386416).

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

9664256 is an equidigital number, since it uses as much as digits as its factorization.

9664256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5416 (or 5402 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 9664256 is about 3108.7386509644. The cubic root of 9664256 is about 213.0048416688.

The spelling of 9664256 in words is "nine million, six hundred sixty-four thousand, two hundred fifty-six".