189156924 has 48 divisors (see below), whose sum is σ = 534992640. Its totient is φ = 57319920.

The previous prime is 189156907. The next prime is 189156931. The reversal of 189156924 is 429651981.

189156924 is a `hidden beast` number, since 1 + 89 + 1 + 569 + 2 + 4 = 666.

189156924 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 189156924.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78424 + ... + 80799.

It is an arithmetic number, because the mean of its divisors is an integer number (11145680).

Almost surely, 2^189156924 is an apocalyptic number.

It is an amenable number.

189156924 is an abundant number, since it is smaller than the sum of its proper divisors (345835716).

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

189156924 is a wasteful number, since it uses less digits than its factorization.

189156924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159247 (or 159239 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 189156924 is about 13753.4331713940. The cubic root of 189156924 is about 574.0381388378.

The spelling of 189156924 in words is "one hundred eighty-nine million, one hundred fifty-six thousand, nine hundred twenty-four".