188830928 has 40 divisors (see below), whose sum is σ = 429826656. Its totient is φ = 79228800.

The previous prime is 188830927. The next prime is 188830963. The reversal of 188830928 is 829038881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188830921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38978 + ... + 43553.

Almost surely, 2^188830928 is an apocalyptic number.

It is an amenable number.

188830928 is an abundant number, since it is smaller than the sum of its proper divisors (240995728).

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

188830928 is a wasteful number, since it uses less digits than its factorization.

188830928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82563 (or 82557 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 47.

The square root of 188830928 is about 13741.5766198788. The cubic root of 188830928 is about 573.7081804458.

The spelling of 188830928 in words is "one hundred eighty-eight million, eight hundred thirty thousand, nine hundred twenty-eight".