189258928 has 10 divisors (see below), whose sum is σ = 366689204. Its totient is φ = 94629456.

The previous prime is 189258917. The next prime is 189258941. The reversal of 189258928 is 829852981.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5914326 + ... + 5914357.

Almost surely, 2^189258928 is an apocalyptic number.

It is an amenable number.

189258928 is a deficient number, since it is larger than the sum of its proper divisors (177430276).

189258928 is a wasteful number, since it uses less digits than its factorization.

189258928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11828691 (or 11828685 counting only the distinct ones).

The product of its digits is 829440, while the sum is 52.

The square root of 189258928 is about 13757.1409820500. The cubic root of 189258928 is about 574.1413047930.

The spelling of 189258928 in words is "one hundred eighty-nine million, two hundred fifty-eight thousand, nine hundred twenty-eight".