14642864 has 20 divisors (see below), whose sum is σ = 28469904. Its totient is φ = 7295808.

The previous prime is 14642857. The next prime is 14642869. The reversal of 14642864 is 46824641.

It is a super-2 number, since 2×14642864² = 428826932244992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14642869) 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, 3629 + ... + 6515.

Almost surely, 2^14642864 is an apocalyptic number.

It is an amenable number.

14642864 is a deficient number, since it is larger than the sum of its proper divisors (13827040).

14642864 is a wasteful number, since it uses less digits than its factorization.

14642864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3212 (or 3206 counting only the distinct ones).

The product of its digits is 36864, while the sum is 35.

The square root of 14642864 is about 3826.5995348351. The cubic root of 14642864 is about 244.6481914376.

The spelling of 14642864 in words is "fourteen million, six hundred forty-two thousand, eight hundred sixty-four".