189391832 has 32 divisors (see below), whose sum is σ = 429714720. Its totient is φ = 76392960.

The previous prime is 189391801. The next prime is 189391841. The reversal of 189391832 is 238193981.

189391832 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98519 + ... + 100422.

It is an arithmetic number, because the mean of its divisors is an integer number (13428585).

Almost surely, 2^189391832 is an apocalyptic number.

It is an amenable number.

189391832 is an abundant number, since it is smaller than the sum of its proper divisors (240322888).

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

189391832 is a wasteful number, since it uses less digits than its factorization.

189391832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198971 (or 198967 counting only the distinct ones).

The product of its digits is 93312, while the sum is 44.

The square root of 189391832 is about 13761.9704984424. The cubic root of 189391832 is about 574.2756671403.

The spelling of 189391832 in words is "one hundred eighty-nine million, three hundred ninety-one thousand, eight hundred thirty-two".