238472856 has 32 divisors (see below), whose sum is σ = 662425200. Its totient is φ = 79490880.

The previous prime is 238472831. The next prime is 238472869. The reversal of 238472856 is 658274832.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551805 + ... + 552236.

Almost surely, 2^238472856 is an apocalyptic number.

It is an amenable number.

238472856 is an abundant number, since it is smaller than the sum of its proper divisors (423952344).

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

238472856 is a wasteful number, since it uses less digits than its factorization.

238472856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104056 (or 1104046 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 238472856 is about 15442.5663670259. The cubic root of 238472856 is about 620.1255867690.

The spelling of 238472856 in words is "two hundred thirty-eight million, four hundred seventy-two thousand, eight hundred fifty-six".