189081032 has 32 divisors (see below), whose sum is σ = 405693120. Its totient is φ = 80930880.

The previous prime is 189081007. The next prime is 189081041. The reversal of 189081032 is 230180981.

It is a self number, because there is not a number n which added to its sum of digits gives 189081032.

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, 55523 + ... + 58829.

It is an arithmetic number, because the mean of its divisors is an integer number (12677910).

Almost surely, 2^189081032 is an apocalyptic number.

It is an amenable number.

189081032 is an abundant number, since it is smaller than the sum of its proper divisors (216612088).

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

189081032 is a wasteful number, since it uses less digits than its factorization.

189081032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4341 (or 4337 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 189081032 is about 13750.6738743961. The cubic root of 189081032 is about 573.9613582667.

The spelling of 189081032 in words is "one hundred eighty-nine million, eighty-one thousand, thirty-two".