189672112 has 20 divisors (see below), whose sum is σ = 419988496. Its totient is φ = 81288000.

The previous prime is 189672103. The next prime is 189672113. The reversal of 189672112 is 211276981.

It is not an unprimeable number, because it can be changed into a prime (189672113) 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 3 ways as a sum of consecutive naturals, for example, 846639 + ... + 846862.

Almost surely, 2^189672112 is an apocalyptic number.

It is an amenable number.

189672112 is an abundant number, since it is smaller than the sum of its proper divisors (230316384).

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

189672112 is a wasteful number, since it uses less digits than its factorization.

189672112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693516 (or 1693510 counting only the distinct ones).

The product of its digits is 12096, while the sum is 37.

The square root of 189672112 is about 13772.1498684846. The cubic root of 189672112 is about 574.5588167130.

The spelling of 189672112 in words is "one hundred eighty-nine million, six hundred seventy-two thousand, one hundred twelve".