10856864 has 24 divisors (see below), whose sum is σ = 21520548. Its totient is φ = 5391360.

The previous prime is 10856861. The next prime is 10856869. The reversal of 10856864 is 46865801.

It can be written as a sum of positive squares in 2 ways, for example, as 10837264 + 19600 = 3292^2 + 140^2 .

It is not an unprimeable number, because it can be changed into a prime (10856861) 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, 3944 + ... + 6104.

Almost surely, 2^10856864 is an apocalyptic number.

It is an amenable number.

10856864 is a deficient number, since it is larger than the sum of its proper divisors (10663684).

10856864 is a wasteful number, since it uses less digits than its factorization.

10856864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2328 (or 2320 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 10856864 is about 3294.9755689534. The cubic root of 10856864 is about 221.4291532020.

The spelling of 10856864 in words is "ten million, eight hundred fifty-six thousand, eight hundred sixty-four".