238688448 has 28 divisors (see below), whose sum is σ = 631530360. Its totient is φ = 79562752.

The previous prime is 238688447. The next prime is 238688459. The reversal of 238688448 is 844886832.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 238688448.

It is not an unprimeable number, because it can be changed into a prime (238688447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621393 + ... + 621776.

Almost surely, 2^238688448 is an apocalyptic number.

It is an amenable number.

238688448 is an abundant number, since it is smaller than the sum of its proper divisors (392841912).

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

238688448 is a wasteful number, since it uses less digits than its factorization.

238688448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243184 (or 1243174 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 51.

The square root of 238688448 is about 15449.5452360256. The cubic root of 238688448 is about 620.3124058605.

The spelling of 238688448 in words is "two hundred thirty-eight million, six hundred eighty-eight thousand, four hundred forty-eight".