23924990 has 16 divisors (see below), whose sum is σ = 45331920. Its totient is φ = 9066240.

The previous prime is 23924987. The next prime is 23925007. The reversal of 23924990 is 9942932.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

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, 62771 + ... + 63150.

It is an arithmetic number, because the mean of its divisors is an integer number (2833245).

Almost surely, 2^23924990 is an apocalyptic number.

23924990 is a deficient number, since it is larger than the sum of its proper divisors (21406930).

23924990 is a wasteful number, since it uses less digits than its factorization.

23924990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125947.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 23924990 is about 4891.3178183389. The cubic root of 23924990 is about 288.1490917221.

The spelling of 23924990 in words is "twenty-three million, nine hundred twenty-four thousand, nine hundred ninety".