189708528 has 40 divisors (see below), whose sum is σ = 493107328. Its totient is φ = 62845632.

The previous prime is 189708527. The next prime is 189708551. The reversal of 189708528 is 825807981.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189708523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4300 + ... + 19947.

Almost surely, 2^189708528 is an apocalyptic number.

It is an amenable number.

189708528 is an abundant number, since it is smaller than the sum of its proper divisors (303398800).

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

189708528 is a wasteful number, since it uses less digits than its factorization.

189708528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24421 (or 24415 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 48.

The square root of 189708528 is about 13773.4718934624. The cubic root of 189708528 is about 574.5955850686.

The spelling of 189708528 in words is "one hundred eighty-nine million, seven hundred eight thousand, five hundred twenty-eight".