189459628 has 24 divisors (see below), whose sum is σ = 352864512. Its totient is φ = 88698624.

The previous prime is 189459607. The next prime is 189459637. The reversal of 189459628 is 826954981.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6325 + ... + 20467.

It is an arithmetic number, because the mean of its divisors is an integer number (14702688).

Almost surely, 2^189459628 is an apocalyptic number.

It is an amenable number.

189459628 is a deficient number, since it is larger than the sum of its proper divisors (163404884).

189459628 is a wasteful number, since it uses less digits than its factorization.

189459628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14361 (or 14359 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 52.

The square root of 189459628 is about 13764.4334427538. The cubic root of 189459628 is about 574.3441828519.

The spelling of 189459628 in words is "one hundred eighty-nine million, four hundred fifty-nine thousand, six hundred twenty-eight".