188307648 has 42 divisors (see below), whose sum is σ = 539751524. Its totient is φ = 62769024.

The previous prime is 188307641. The next prime is 188307649. The reversal of 188307648 is 846703881.

It is not an unprimeable number, because it can be changed into a prime (188307641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 162886 + ... + 164037.

Almost surely, 2^188307648 is an apocalyptic number.

188307648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

188307648 is an abundant number, since it is smaller than the sum of its proper divisors (351443876).

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

188307648 is a wasteful number, since it uses less digits than its factorization.

188307648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326941 (or 326928 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 188307648 is about 13722.5233831100. The cubic root of 188307648 is about 573.1777451737.

The spelling of 188307648 in words is "one hundred eighty-eight million, three hundred seven thousand, six hundred forty-eight".