188865230 has 8 divisors (see below), whose sum is σ = 339957432. Its totient is φ = 75546088.

The previous prime is 188865217. The next prime is 188865239. The reversal of 188865230 is 32568881.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188865239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9443252 + ... + 9443271.

It is an arithmetic number, because the mean of its divisors is an integer number (42494679).

Almost surely, 2^188865230 is an apocalyptic number.

188865230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

188865230 is a deficient number, since it is larger than the sum of its proper divisors (151092202).

188865230 is a wasteful number, since it uses less digits than its factorization.

188865230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18886530.

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 188865230 is about 13742.8246732613. The cubic root of 188865230 is about 573.7429172457.

The spelling of 188865230 in words is "one hundred eighty-eight million, eight hundred sixty-five thousand, two hundred thirty".