238646856 has 48 divisors (see below), whose sum is σ = 694027440. Its totient is φ = 68184480.

The previous prime is 238646813. The next prime is 238646899. The reversal of 238646856 is 658646832.

238646856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (238646813) and next prime (238646899).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100290 + ... + 102641.

It is an arithmetic number, because the mean of its divisors is an integer number (14458905).

Almost surely, 2^238646856 is an apocalyptic number.

It is an amenable number.

238646856 is an abundant number, since it is smaller than the sum of its proper divisors (455380584).

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

238646856 is a wasteful number, since it uses less digits than its factorization.

238646856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202954 (or 202943 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 48.

The square root of 238646856 is about 15448.1991183439. The cubic root of 238646856 is about 620.2763734892.

The spelling of 238646856 in words is "two hundred thirty-eight million, six hundred forty-six thousand, eight hundred fifty-six".