18914764 has 12 divisors (see below), whose sum is σ = 36110088. Its totient is φ = 8597600.

The previous prime is 18914759. The next prime is 18914789. The reversal of 18914764 is 46741981.

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 in 3 ways as a sum of consecutive naturals, for example, 214897 + ... + 214984.

It is an arithmetic number, because the mean of its divisors is an integer number (3009174).

Almost surely, 2^18914764 is an apocalyptic number.

It is an amenable number.

18914764 is a deficient number, since it is larger than the sum of its proper divisors (17195324).

18914764 is a wasteful number, since it uses less digits than its factorization.

18914764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429896 (or 429894 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The square root of 18914764 is about 4349.1107136977. The cubic root of 18914764 is about 266.4405423362.

The spelling of 18914764 in words is "eighteen million, nine hundred fourteen thousand, seven hundred sixty-four".