11858864 has 20 divisors (see below), whose sum is σ = 23718720. Its totient is φ = 5737920.

The previous prime is 11858851. The next prime is 11858893. The reversal of 11858864 is 46885811.

11858864 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11459 + ... + 12450.

It is an arithmetic number, because the mean of its divisors is an integer number (1185936).

Almost surely, 2^11858864 is an apocalyptic number.

It is an amenable number.

11858864 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11858864 is a wasteful number, since it uses less digits than its factorization.

11858864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23948 (or 23942 counting only the distinct ones).

The product of its digits is 61440, while the sum is 41.

The square root of 11858864 is about 3443.6701351901. The cubic root of 11858864 is about 228.0417487928.

The spelling of 11858864 in words is "eleven million, eight hundred fifty-eight thousand, eight hundred sixty-four".