189329188 has 12 divisors (see below), whose sum is σ = 335520640. Its totient is φ = 93466152.

The previous prime is 189329149. The next prime is 189329209. The reversal of 189329188 is 881923981.

189329188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

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, 299256 + ... + 299887.

Almost surely, 2^189329188 is an apocalyptic number.

It is an amenable number.

189329188 is a deficient number, since it is larger than the sum of its proper divisors (146191452).

189329188 is a wasteful number, since it uses less digits than its factorization.

189329188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599226 (or 599224 counting only the distinct ones).

The product of its digits is 248832, while the sum is 49.

The square root of 189329188 is about 13759.6943280002. The cubic root of 189329188 is about 574.2123435858.

The spelling of 189329188 in words is "one hundred eighty-nine million, three hundred twenty-nine thousand, one hundred eighty-eight".