14644664 has 8 divisors (see below), whose sum is σ = 27458760. Its totient is φ = 7322328.

The previous prime is 14644661. The next prime is 14644691. The reversal of 14644664 is 46644641.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14644661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 915284 + ... + 915299.

It is an arithmetic number, because the mean of its divisors is an integer number (3432345).

Almost surely, 2^14644664 is an apocalyptic number.

It is an amenable number.

14644664 is a deficient number, since it is larger than the sum of its proper divisors (12814096).

14644664 is a wasteful number, since it uses less digits than its factorization.

14644664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830589 (or 1830585 counting only the distinct ones).

The product of its digits is 55296, while the sum is 35.

The square root of 14644664 is about 3826.8347233713. The cubic root of 14644664 is about 244.6582156310.

The spelling of 14644664 in words is "fourteen million, six hundred forty-four thousand, six hundred sixty-four".