189488368 has 40 divisors (see below), whose sum is σ = 398942720. Its totient is φ = 86857920.

The previous prime is 189488309. The next prime is 189488371. The reversal of 189488368 is 863884981.

It is a congruent number.

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, 630 + ... + 19477.

It is an arithmetic number, because the mean of its divisors is an integer number (9973568).

Almost surely, 2^189488368 is an apocalyptic number.

It is an amenable number.

189488368 is an abundant number, since it is smaller than the sum of its proper divisors (209454352).

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

189488368 is a wasteful number, since it uses less digits than its factorization.

189488368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20165 (or 20159 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 55.

The square root of 189488368 is about 13765.4773981871. The cubic root of 189488368 is about 574.3732230181.

The spelling of 189488368 in words is "one hundred eighty-nine million, four hundred eighty-eight thousand, three hundred sixty-eight".