189190572 has 24 divisors (see below), whose sum is σ = 442233792. Its totient is φ = 62950800.

The previous prime is 189190559. The next prime is 189190601. The reversal of 189190572 is 275091981.

189190572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 6954 + ... + 20657.

It is an arithmetic number, because the mean of its divisors is an integer number (18426408).

Almost surely, 2^189190572 is an apocalyptic number.

189190572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189190572 is an abundant number, since it is smaller than the sum of its proper divisors (253043220).

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

189190572 is a wasteful number, since it uses less digits than its factorization.

189190572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28189 (or 28187 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 42.

The square root of 189190572 is about 13754.6563752062. The cubic root of 189190572 is about 574.0721742297.

The spelling of 189190572 in words is "one hundred eighty-nine million, one hundred ninety thousand, five hundred seventy-two".