238880328 has 64 divisors (see below), whose sum is σ = 644319360. Its totient is φ = 73522176.

The previous prime is 238880297. The next prime is 238880329. The reversal of 238880328 is 823088832.

It is a super-2 number, since 2×238880328² = 114127622210775168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 238880328.

It is not an unprimeable number, because it can be changed into a prime (238880329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16101 + ... + 27147.

It is an arithmetic number, because the mean of its divisors is an integer number (10067490).

Almost surely, 2^238880328 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 238880328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322159680).

238880328 is an abundant number, since it is smaller than the sum of its proper divisors (405439032).

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

238880328 is a wasteful number, since it uses less digits than its factorization.

238880328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11126 (or 11122 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 238880328 is about 15455.7538800280. The cubic root of 238880328 is about 620.4785829630.

The spelling of 238880328 in words is "two hundred thirty-eight million, eight hundred eighty thousand, three hundred twenty-eight".