230617638 has 16 divisors (see below), whose sum is σ = 512483760. Its totient is φ = 76872528.

The previous prime is 230617613. The next prime is 230617679. The reversal of 230617638 is 836716032.

It is a happy number.

230617638 is a `hidden beast` number, since 2 + 3 + 0 + 6 + 17 + 638 = 666.

230617638 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2135295 + ... + 2135402.

It is an arithmetic number, because the mean of its divisors is an integer number (32030235).

Almost surely, 2^230617638 is an apocalyptic number.

230617638 is an abundant number, since it is smaller than the sum of its proper divisors (281866122).

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

230617638 is a wasteful number, since it uses less digits than its factorization.

230617638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4270708 (or 4270702 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 230617638 is about 15186.1001577100. The cubic root of 230617638 is about 613.2405153204.

The spelling of 230617638 in words is "two hundred thirty million, six hundred seventeen thousand, six hundred thirty-eight".