18705368 has 16 divisors (see below), whose sum is σ = 38261160. Its totient is φ = 8502400.

The previous prime is 18705341. The next prime is 18705409. The reversal of 18705368 is 86350781.

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, 106193 + ... + 106368.

Almost surely, 2^18705368 is an apocalyptic number.

It is an amenable number.

18705368 is an abundant number, since it is smaller than the sum of its proper divisors (19555792).

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

18705368 is a wasteful number, since it uses less digits than its factorization.

18705368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212578 (or 212574 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 18705368 is about 4324.9702889153. The cubic root of 18705368 is about 265.4536811415.

The spelling of 18705368 in words is "eighteen million, seven hundred five thousand, three hundred sixty-eight".