230881938 has 32 divisors (see below), whose sum is σ = 528280704. Its totient is φ = 65897472.

The previous prime is 230881909. The next prime is 230881943. The reversal of 230881938 is 839188032.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 230881938.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48856 + ... + 53372.

It is an arithmetic number, because the mean of its divisors is an integer number (16508772).

Almost surely, 2^230881938 is an apocalyptic number.

230881938 is an abundant number, since it is smaller than the sum of its proper divisors (297398766).

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

230881938 is a wasteful number, since it uses less digits than its factorization.

230881938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5746.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 230881938 is about 15194.7997025298. The cubic root of 230881938 is about 613.4746945616.

The spelling of 230881938 in words is "two hundred thirty million, eight hundred eighty-one thousand, nine hundred thirty-eight".