188830464 has 72 divisors (see below), whose sum is σ = 509789952. Its totient is φ = 62039040.

The previous prime is 188830457. The next prime is 188830469. The reversal of 188830464 is 464038881.

188830464 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (188830469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52797 + ... + 56259.

It is an arithmetic number, because the mean of its divisors is an integer number (7080416).

Almost surely, 2^188830464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 188830464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254894976).

188830464 is an abundant number, since it is smaller than the sum of its proper divisors (320959488).

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

188830464 is an equidigital number, since it uses as much as digits as its factorization.

188830464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3553 (or 3539 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 188830464 is about 13741.5597367984. The cubic root of 188830464 is about 573.7077105354.

The spelling of 188830464 in words is "one hundred eighty-eight million, eight hundred thirty thousand, four hundred sixty-four".