189072884 has 48 divisors (see below), whose sum is σ = 444264576. Its totient is φ = 67996800.

The previous prime is 189072883. The next prime is 189072887. The reversal of 189072884 is 488270981.

189072884 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189072881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19607 + ... + 27614.

It is an arithmetic number, because the mean of its divisors is an integer number (9255512).

Almost surely, 2^189072884 is an apocalyptic number.

189072884 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

189072884 is an abundant number, since it is smaller than the sum of its proper divisors (255191692).

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

189072884 is a wasteful number, since it uses less digits than its factorization.

189072884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47256 (or 47254 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 47.

The square root of 189072884 is about 13750.3775948154. The cubic root of 189072884 is about 573.9531136457.

The spelling of 189072884 in words is "one hundred eighty-nine million, seventy-two thousand, eight hundred eighty-four".