189177852 has 24 divisors (see below), whose sum is σ = 460607616. Its totient is φ = 60317488.

The previous prime is 189177847. The next prime is 189177869. The reversal of 189177852 is 258771981.

It is a happy number.

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, 342438 + ... + 342989.

It is an arithmetic number, because the mean of its divisors is an integer number (19191984).

Almost surely, 2^189177852 is an apocalyptic number.

189177852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189177852 is an abundant number, since it is smaller than the sum of its proper divisors (271429764).

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

189177852 is a wasteful number, since it uses less digits than its factorization.

189177852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685457 (or 685455 counting only the distinct ones).

The product of its digits is 282240, while the sum is 48.

The square root of 189177852 is about 13754.1939785652. The cubic root of 189177852 is about 574.0593082579.

The spelling of 189177852 in words is "one hundred eighty-nine million, one hundred seventy-seven thousand, eight hundred fifty-two".