238915888 has 20 divisors (see below), whose sum is σ = 463151160. Its totient is φ = 119393024.

The previous prime is 238915877. The next prime is 238915889. The reversal of 238915888 is 888519832.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (238915889) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 42456 + ... + 47752.

It is an arithmetic number, because the mean of its divisors is an integer number (23157558).

Almost surely, 2^238915888 is an apocalyptic number.

It is an amenable number.

238915888 is a deficient number, since it is larger than the sum of its proper divisors (224235272).

238915888 is a wasteful number, since it uses less digits than its factorization.

238915888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8124 (or 8118 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 52.

The square root of 238915888 is about 15456.9042178568. The cubic root of 238915888 is about 620.5093698202.

The spelling of 238915888 in words is "two hundred thirty-eight million, nine hundred fifteen thousand, eight hundred eighty-eight".