189314580 has 96 divisors (see below), whose sum is σ = 652425984. Its totient is φ = 39942144.

The previous prime is 189314561. The next prime is 189314591. The reversal of 189314580 is 85413981.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11877 + ... + 22796.

It is an arithmetic number, because the mean of its divisors is an integer number (6796104).

Almost surely, 2^189314580 is an apocalyptic number.

189314580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189314580 is an abundant number, since it is smaller than the sum of its proper divisors (463111404).

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

189314580 is a wasteful number, since it uses less digits than its factorization.

189314580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34705 (or 34703 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 189314580 is about 13759.1634920151. The cubic root of 189314580 is about 574.1975751116.

The spelling of 189314580 in words is "one hundred eighty-nine million, three hundred fourteen thousand, five hundred eighty".