189539528 has 32 divisors (see below), whose sum is σ = 385054560. Its totient is φ = 87118080.

The previous prime is 189539509. The next prime is 189539531. The reversal of 189539528 is 825935981.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10358 + ... + 22053.

It is an arithmetic number, because the mean of its divisors is an integer number (12032955).

Almost surely, 2^189539528 is an apocalyptic number.

It is an amenable number.

189539528 is an abundant number, since it is smaller than the sum of its proper divisors (195515032).

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

189539528 is a wasteful number, since it uses less digits than its factorization.

189539528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32477 (or 32473 counting only the distinct ones).

The product of its digits is 777600, while the sum is 50.

The square root of 189539528 is about 13767.3355446869. The cubic root of 189539528 is about 574.4249100781.

The spelling of 189539528 in words is "one hundred eighty-nine million, five hundred thirty-nine thousand, five hundred twenty-eight".