18930192 has 40 divisors (see below), whose sum is σ = 50100960. Its totient is φ = 6155520.

The previous prime is 18930167. The next prime is 18930193. The reversal of 18930192 is 29103981.

It is not an unprimeable number, because it can be changed into a prime (18930193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2842 + ... + 6777.

It is an arithmetic number, because the mean of its divisors is an integer number (1252524).

Almost surely, 2^18930192 is an apocalyptic number.

18930192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18930192 is an abundant number, since it is smaller than the sum of its proper divisors (31170768).

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

18930192 is a wasteful number, since it uses less digits than its factorization.

18930192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9671 (or 9665 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 18930192 is about 4350.8840480987. The cubic root of 18930192 is about 266.5129642031.

It can be divided in two parts, 189 and 30192, that added together give a triangular number (30381 = T₂₄₆).

The spelling of 18930192 in words is "eighteen million, nine hundred thirty thousand, one hundred ninety-two".