23994664 has 8 divisors (see below), whose sum is σ = 44990010. Its totient is φ = 11997328.

The previous prime is 23994661. The next prime is 23994673. The reversal of 23994664 is 46649932.

It can be written as a sum of positive squares in only one way, i.e., 19873764 + 4120900 = 4458^2 + 2030^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 23994664.

It is not an unprimeable number, because it can be changed into a prime (23994661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1499659 + ... + 1499674.

Almost surely, 2^23994664 is an apocalyptic number.

It is an amenable number.

23994664 is a deficient number, since it is larger than the sum of its proper divisors (20995346).

23994664 is a wasteful number, since it uses less digits than its factorization.

23994664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2999339 (or 2999335 counting only the distinct ones).

The product of its digits is 279936, while the sum is 43.

The square root of 23994664 is about 4898.4348520726. The cubic root of 23994664 is about 288.4285351334.

The spelling of 23994664 in words is "twenty-three million, nine hundred ninety-four thousand, six hundred sixty-four".