238688256 has 96 divisors (see below), whose sum is σ = 649237680. Its totient is φ = 77955072.

The previous prime is 238688249. The next prime is 238688269. The reversal of 238688256 is 652886832.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 325266 + ... + 325998.

Almost surely, 2^238688256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238688256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324618840).

238688256 is an abundant number, since it is smaller than the sum of its proper divisors (410549424).

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

238688256 is an equidigital number, since it uses as much as digits as its factorization.

238688256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811 (or 791 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The square root of 238688256 is about 15449.5390222492. The cubic root of 238688256 is about 620.3122395349.

The spelling of 238688256 in words is "two hundred thirty-eight million, six hundred eighty-eight thousand, two hundred fifty-six".