238378056 has 32 divisors (see below), whose sum is σ = 681080640. Its totient is φ = 68107968.

The previous prime is 238378043. The next prime is 238378067. The reversal of 238378056 is 650873832.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 238377999 and 238378017.

It is an unprimeable number.

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, 709291 + ... + 709626.

It is an arithmetic number, because the mean of its divisors is an integer number (21283770).

Almost surely, 2^238378056 is an apocalyptic number.

It is an amenable number.

238378056 is an abundant number, since it is smaller than the sum of its proper divisors (442702584).

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

238378056 is a wasteful number, since it uses less digits than its factorization.

238378056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418933 (or 1418929 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 238378056 is about 15439.4966239188. The cubic root of 238378056 is about 620.0434031356.

It can be divided in two parts, 2383780 and 56, that added together give a triangular number (2383836 = T₂₁₈₃).

The spelling of 238378056 in words is "two hundred thirty-eight million, three hundred seventy-eight thousand, fifty-six".