188930832 has 80 divisors (see below), whose sum is σ = 536156160. Its totient is φ = 57062016.

The previous prime is 188930831. The next prime is 188930837. The reversal of 188930832 is 238039881.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (188930831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16473 + ... + 25479.

It is an arithmetic number, because the mean of its divisors is an integer number (6701952).

Almost surely, 2^188930832 is an apocalyptic number.

188930832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 188930832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268078080).

188930832 is an abundant number, since it is smaller than the sum of its proper divisors (347225328).

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

188930832 is a wasteful number, since it uses less digits than its factorization.

188930832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9060 (or 9054 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 188930832 is about 13745.2112388279. The cubic root of 188930832 is about 573.8093390813.

The spelling of 188930832 in words is "one hundred eighty-eight million, nine hundred thirty thousand, eight hundred thirty-two".