14642644 has 24 divisors (see below), whose sum is σ = 27253800. Its totient is φ = 6859776.

The previous prime is 14642603. The next prime is 14642657. The reversal of 14642644 is 44624641.

It can be written as a sum of positive squares in 4 ways, for example, as 1768900 + 12873744 = 1330^2 + 3588^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23424 + ... + 24040.

It is an arithmetic number, because the mean of its divisors is an integer number (1135575).

Almost surely, 2^14642644 is an apocalyptic number.

It is an amenable number.

14642644 is a deficient number, since it is larger than the sum of its proper divisors (12611156).

14642644 is a wasteful number, since it uses less digits than its factorization.

14642644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987 (or 985 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

The square root of 14642644 is about 3826.5707885782. The cubic root of 14642644 is about 244.6469662021.

The spelling of 14642644 in words is "fourteen million, six hundred forty-two thousand, six hundred forty-four".