189063472 has 20 divisors (see below), whose sum is σ = 394488640. Its totient is φ = 87259968.

The previous prime is 189063449. The next prime is 189063487. The reversal of 189063472 is 274360981.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 454272 + ... + 454687.

It is an arithmetic number, because the mean of its divisors is an integer number (19724432).

Almost surely, 2^189063472 is an apocalyptic number.

It is an amenable number.

189063472 is an abundant number, since it is smaller than the sum of its proper divisors (205425168).

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

189063472 is a wasteful number, since it uses less digits than its factorization.

189063472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908980 (or 908974 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 189063472 is about 13750.0353454091. The cubic root of 189063472 is about 573.9435897411.

The spelling of 189063472 in words is "one hundred eighty-nine million, sixty-three thousand, four hundred seventy-two".