18923104 has 24 divisors (see below), whose sum is σ = 37488528. Its totient is φ = 9402240.

The previous prime is 18923039. The next prime is 18923123. The reversal of 18923104 is 40132981.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3574 + ... + 7114.

It is an arithmetic number, because the mean of its divisors is an integer number (1562022).

Almost surely, 2^18923104 is an apocalyptic number.

It is an amenable number.

18923104 is a deficient number, since it is larger than the sum of its proper divisors (18565424).

18923104 is a wasteful number, since it uses less digits than its factorization.

18923104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3718 (or 3710 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 18923104 is about 4350.0694247334. The cubic root of 18923104 is about 266.4796967168.

The spelling of 18923104 in words is "eighteen million, nine hundred twenty-three thousand, one hundred four".