18934768 has 10 divisors (see below), whose sum is σ = 36686144. Its totient is φ = 9467376.

The previous prime is 18934757. The next prime is 18934781. The reversal of 18934768 is 86743981.

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 as a sum of consecutive naturals, namely, 591696 + ... + 591727.

Almost surely, 2^18934768 is an apocalyptic number.

It is an amenable number.

18934768 is a deficient number, since it is larger than the sum of its proper divisors (17751376).

18934768 is a wasteful number, since it uses less digits than its factorization.

18934768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183431 (or 1183425 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 18934768 is about 4351.4098864621. The cubic root of 18934768 is about 266.5344372213.

The spelling of 18934768 in words is "eighteen million, nine hundred thirty-four thousand, seven hundred sixty-eight".