230374638 has 64 divisors (see below), whose sum is σ = 556657920. Its totient is φ = 70199136.

The previous prime is 230374597. The next prime is 230374649. The reversal of 230374638 is 836473032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73581 + ... + 76647.

It is an arithmetic number, because the mean of its divisors is an integer number (8697780).

Almost surely, 2^230374638 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230374638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278328960).

230374638 is an abundant number, since it is smaller than the sum of its proper divisors (326283282).

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

230374638 is a wasteful number, since it uses less digits than its factorization.

230374638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3198 (or 3192 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 230374638 is about 15178.0973115869. The cubic root of 230374638 is about 613.0250507146.

The spelling of 230374638 in words is "two hundred thirty million, three hundred seventy-four thousand, six hundred thirty-eight".