238478056 has 16 divisors (see below), whose sum is σ = 448071840. Its totient is φ = 118992240.

The previous prime is 238478041. The next prime is 238478077. The reversal of 238478056 is 650874832.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26710 + ... + 34501.

It is an arithmetic number, because the mean of its divisors is an integer number (28004490).

Almost surely, 2^238478056 is an apocalyptic number.

It is an amenable number.

238478056 is a deficient number, since it is larger than the sum of its proper divisors (209593784).

238478056 is a wasteful number, since it uses less digits than its factorization.

238478056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61704 (or 61700 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 238478056 is about 15442.7347319055. The cubic root of 238478056 is about 620.1300941019.

The spelling of 238478056 in words is "two hundred thirty-eight million, four hundred seventy-eight thousand, fifty-six".