189535368 has 48 divisors (see below), whose sum is σ = 520838640. Its totient is φ = 57434080.

The previous prime is 189535337. The next prime is 189535427. The reversal of 189535368 is 863535981.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29730 + ... + 35537.

It is an arithmetic number, because the mean of its divisors is an integer number (10850805).

Almost surely, 2^189535368 is an apocalyptic number.

It is an amenable number.

189535368 is an abundant number, since it is smaller than the sum of its proper divisors (331303272).

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

189535368 is a wasteful number, since it uses less digits than its factorization.

189535368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65298 (or 65283 counting only the distinct ones).

The product of its digits is 777600, while the sum is 48.

The square root of 189535368 is about 13767.1844616102. The cubic root of 189535368 is about 574.4207075684.

The spelling of 189535368 in words is "one hundred eighty-nine million, five hundred thirty-five thousand, three hundred sixty-eight".