23899664 has 10 divisors (see below), whose sum is σ = 46305630. Its totient is φ = 11949824.

The previous prime is 23899657. The next prime is 23899697. The reversal of 23899664 is 46699832.

It can be written as a sum of positive squares in only one way, i.e., 23814400 + 85264 = 4880^2 + 292^2 .

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 as a sum of consecutive naturals, namely, 746849 + ... + 746880.

It is an arithmetic number, because the mean of its divisors is an integer number (4630563).

Almost surely, 2^23899664 is an apocalyptic number.

It is an amenable number.

23899664 is a deficient number, since it is larger than the sum of its proper divisors (22405966).

23899664 is a wasteful number, since it uses less digits than its factorization.

23899664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493737 (or 1493731 counting only the distinct ones).

The product of its digits is 559872, while the sum is 47.

The square root of 23899664 is about 4888.7282599875. The cubic root of 23899664 is about 288.0473816077.

The spelling of 23899664 in words is "twenty-three million, eight hundred ninety-nine thousand, six hundred sixty-four".