18930264 has 16 divisors (see below), whose sum is σ = 47325720. Its totient is φ = 6310080.

The previous prime is 18930257. The next prime is 18930269. The reversal of 18930264 is 46203981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18930269) 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, 394357 + ... + 394404.

Almost surely, 2^18930264 is an apocalyptic number.

It is an amenable number.

18930264 is an abundant number, since it is smaller than the sum of its proper divisors (28395456).

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

18930264 is a wasteful number, since it uses less digits than its factorization.

18930264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788770 (or 788766 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 18930264 is about 4350.8923222714. The cubic root of 18930264 is about 266.5133020921.

The spelling of 18930264 in words is "eighteen million, nine hundred thirty thousand, two hundred sixty-four".