189713924 has 24 divisors (see below), whose sum is σ = 349187328. Its totient is φ = 90061920.

The previous prime is 189713903. The next prime is 189713941. The reversal of 189713924 is 429317981.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7862 + ... + 21005.

It is an arithmetic number, because the mean of its divisors is an integer number (14549472).

Almost surely, 2^189713924 is an apocalyptic number.

It is an amenable number.

189713924 is a deficient number, since it is larger than the sum of its proper divisors (159473404).

189713924 is a wasteful number, since it uses less digits than its factorization.

189713924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28955 (or 28953 counting only the distinct ones).

The product of its digits is 108864, while the sum is 44.

The square root of 189713924 is about 13773.6677758686. The cubic root of 189713924 is about 574.6010328792.

The spelling of 189713924 in words is "one hundred eighty-nine million, seven hundred thirteen thousand, nine hundred twenty-four".