238293888 has 64 divisors (see below), whose sum is σ = 723400320. Its totient is φ = 68083200.

The previous prime is 238293829. The next prime is 238293893. The reversal of 238293888 is 888392832.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 238293888.

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, 41638 + ... + 47013.

It is an arithmetic number, because the mean of its divisors is an integer number (11303130).

Almost surely, 2^238293888 is an apocalyptic number.

238293888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

238293888 is an abundant number, since it is smaller than the sum of its proper divisors (485106432).

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

238293888 is an equidigital number, since it uses as much as digits as its factorization.

238293888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88675 (or 88663 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 51.

The square root of 238293888 is about 15436.7706467383. The cubic root of 238293888 is about 619.9704182903.

The spelling of 238293888 in words is "two hundred thirty-eight million, two hundred ninety-three thousand, eight hundred eighty-eight".