238238256 has 40 divisors (see below), whose sum is σ = 617103360. Its totient is φ = 79199296.

The previous prime is 238238251. The next prime is 238238261. The reversal of 238238256 is 652832832.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (238238251) and next prime (238238261).

It is not an unprimeable number, because it can be changed into a prime (238238251) 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, 11905 + ... + 24863.

It is an arithmetic number, because the mean of its divisors is an integer number (15427584).

Almost surely, 2^238238256 is an apocalyptic number.

It is an amenable number.

238238256 is an abundant number, since it is smaller than the sum of its proper divisors (378865104).

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

238238256 is a wasteful number, since it uses less digits than its factorization.

238238256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13353 (or 13347 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 238238256 is about 15434.9686102693. The cubic root of 238238256 is about 619.9221685164.

The spelling of 238238256 in words is "two hundred thirty-eight million, two hundred thirty-eight thousand, two hundred fifty-six".