188948830 has 16 divisors (see below), whose sum is σ = 388694880. Its totient is φ = 64782432.

The previous prime is 188948827. The next prime is 188948831. The reversal of 188948830 is 38849881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188948831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1349565 + ... + 1349704.

It is an arithmetic number, because the mean of its divisors is an integer number (24293430).

Almost surely, 2^188948830 is an apocalyptic number.

188948830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

188948830 is an abundant number, since it is smaller than the sum of its proper divisors (199746050).

188948830 is a wasteful number, since it uses less digits than its factorization.

188948830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699283.

The product of its (nonzero) digits is 442368, while the sum is 49.

The square root of 188948830 is about 13745.8659239787. The cubic root of 188948830 is about 573.8275593165.

The spelling of 188948830 in words is "one hundred eighty-eight million, nine hundred forty-eight thousand, eight hundred thirty".