189275328 has 84 divisors (see below), whose sum is σ = 591863688. Its totient is φ = 57354240.

The previous prime is 189275323. The next prime is 189275353. The reversal of 189275328 is 823572981.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (189275323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8601 + ... + 21272.

Almost surely, 2^189275328 is an apocalyptic number.

189275328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

189275328 is an abundant number, since it is smaller than the sum of its proper divisors (402588360).

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

189275328 is a wasteful number, since it uses less digits than its factorization.

189275328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29902 (or 29889 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 189275328 is about 13757.7370232172. The cubic root of 189275328 is about 574.1578881506.

The spelling of 189275328 in words is "one hundred eighty-nine million, two hundred seventy-five thousand, three hundred twenty-eight".