189973276 has 12 divisors (see below), whose sum is σ = 337903720. Its totient is φ = 93429360.

The previous prime is 189973219. The next prime is 189973279. The reversal of 189973276 is 672379981.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189973279) 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, 389046 + ... + 389533.

Almost surely, 2^189973276 is an apocalyptic number.

It is an amenable number.

189973276 is a deficient number, since it is larger than the sum of its proper divisors (147930444).

189973276 is a wasteful number, since it uses less digits than its factorization.

189973276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778644 (or 778642 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 52.

The square root of 189973276 is about 13783.0793366359. The cubic root of 189973276 is about 574.8627533806.

The spelling of 189973276 in words is "one hundred eighty-nine million, nine hundred seventy-three thousand, two hundred seventy-six".