18700368 has 20 divisors (see below), whose sum is σ = 48309408. Its totient is φ = 6233440.

The previous prime is 18700333. The next prime is 18700373. The reversal of 18700368 is 86300781.

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, 194748 + ... + 194843.

Almost surely, 2^18700368 is an apocalyptic number.

It is an amenable number.

18700368 is an abundant number, since it is smaller than the sum of its proper divisors (29609040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18700368 is a wasteful number, since it uses less digits than its factorization.

18700368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389602 (or 389596 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 18700368 is about 4324.3922116293. The cubic root of 18700368 is about 265.4300268500.

The spelling of 18700368 in words is "eighteen million, seven hundred thousand, three hundred sixty-eight".