189276272 has 20 divisors (see below), whose sum is σ = 379369320. Its totient is φ = 91374528.

The previous prime is 189276257. The next prime is 189276281. The reversal of 189276272 is 272672981.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203498 + ... + 204425.

It is an arithmetic number, because the mean of its divisors is an integer number (18968466).

Almost surely, 2^189276272 is an apocalyptic number.

It is an amenable number.

189276272 is an abundant number, since it is smaller than the sum of its proper divisors (190093048).

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

189276272 is a wasteful number, since it uses less digits than its factorization.

189276272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407960 (or 407954 counting only the distinct ones).

The product of its digits is 169344, while the sum is 44.

The square root of 189276272 is about 13757.7713311423. The cubic root of 189276272 is about 574.1588426757.

The spelling of 189276272 in words is "one hundred eighty-nine million, two hundred seventy-six thousand, two hundred seventy-two".