238518056 has 16 divisors (see below), whose sum is σ = 511110240. Its totient is φ = 102222000.

The previous prime is 238518019. The next prime is 238518067. The reversal of 238518056 is 650815832.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2129570 + ... + 2129681.

It is an arithmetic number, because the mean of its divisors is an integer number (31944390).

Almost surely, 2^238518056 is an apocalyptic number.

It is an amenable number.

238518056 is an abundant number, since it is smaller than the sum of its proper divisors (272592184).

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

238518056 is a wasteful number, since it uses less digits than its factorization.

238518056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4259264 (or 4259260 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 238518056 is about 15444.0297850011. The cubic root of 238518056 is about 620.1647637027.

The spelling of 238518056 in words is "two hundred thirty-eight million, five hundred eighteen thousand, fifty-six".