18790368 has 24 divisors (see below), whose sum is σ = 49324968. Its totient is φ = 6263424.

The previous prime is 18790367. The next prime is 18790381. The reversal of 18790368 is 86309781.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18790361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97771 + ... + 97962.

It is an arithmetic number, because the mean of its divisors is an integer number (2055207).

Almost surely, 2^18790368 is an apocalyptic number.

It is an amenable number.

18790368 is an abundant number, since it is smaller than the sum of its proper divisors (30534600).

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

18790368 is a wasteful number, since it uses less digits than its factorization.

18790368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195746 (or 195738 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 18790368 is about 4334.7858078572. The cubic root of 18790368 is about 265.8551607509.

The spelling of 18790368 in words is "eighteen million, seven hundred ninety thousand, three hundred sixty-eight".