11439664 has 20 divisors (see below), whose sum is σ = 22386960. Its totient is φ = 5662400.

The previous prime is 11439643. The next prime is 11439707. The reversal of 11439664 is 46693411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1924 + ... + 5155.

It is an arithmetic number, because the mean of its divisors is an integer number (1119348).

Almost surely, 2^11439664 is an apocalyptic number.

It is an amenable number.

11439664 is a deficient number, since it is larger than the sum of its proper divisors (10947296).

11439664 is a wasteful number, since it uses less digits than its factorization.

11439664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7188 (or 7182 counting only the distinct ones).

The product of its digits is 15552, while the sum is 34.

The square root of 11439664 is about 3382.2572344516. The cubic root of 11439664 is about 225.3224282699.

The spelling of 11439664 in words is "eleven million, four hundred thirty-nine thousand, six hundred sixty-four".