189027372 has 24 divisors (see below), whose sum is σ = 443877616. Its totient is φ = 62607168.

The previous prime is 189027331. The next prime is 189027379. The reversal of 189027372 is 273720981.

It is a self number, because there is not a number n which added to its sum of digits gives 189027372.

It is not an unprimeable number, because it can be changed into a prime (189027379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48283 + ... + 52050.

Almost surely, 2^189027372 is an apocalyptic number.

189027372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189027372 is an abundant number, since it is smaller than the sum of its proper divisors (254850244).

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

189027372 is a wasteful number, since it uses less digits than its factorization.

189027372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100497 (or 100495 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 189027372 is about 13748.7225588416. The cubic root of 189027372 is about 573.9070575962.

The spelling of 189027372 in words is "one hundred eighty-nine million, twenty-seven thousand, three hundred seventy-two".