18928196 has 12 divisors (see below), whose sum is σ = 37856448. Its totient is φ = 8112072.

The previous prime is 18928187. The next prime is 18928211. The reversal of 18928196 is 69182981.

18928196 is an admirable 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, 337976 + ... + 338031.

It is an arithmetic number, because the mean of its divisors is an integer number (3154704).

Almost surely, 2^18928196 is an apocalyptic number.

It is an amenable number.

18928196 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18928196 is a wasteful number, since it uses less digits than its factorization.

18928196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676018 (or 676016 counting only the distinct ones).

The product of its digits is 62208, while the sum is 44.

The square root of 18928196 is about 4350.6546633811. The cubic root of 18928196 is about 266.5035968290.

The spelling of 18928196 in words is "eighteen million, nine hundred twenty-eight thousand, one hundred ninety-six".