189087316 has 48 divisors (see below), whose sum is σ = 390317760. Its totient is φ = 79211520.

The previous prime is 189087289. The next prime is 189087323. The reversal of 189087316 is 613780981.

189087316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27876 + ... + 33988.

It is an arithmetic number, because the mean of its divisors is an integer number (8131620).

Almost surely, 2^189087316 is an apocalyptic number.

It is an amenable number.

189087316 is an abundant number, since it is smaller than the sum of its proper divisors (201230444).

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

189087316 is a wasteful number, since it uses less digits than its factorization.

189087316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6184 (or 6182 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 189087316 is about 13750.9023703901. The cubic root of 189087316 is about 573.9677166221.

The spelling of 189087316 in words is "one hundred eighty-nine million, eighty-seven thousand, three hundred sixteen".