238028880 has 80 divisors (see below), whose sum is σ = 745130880. Its totient is φ = 62851584.

The previous prime is 238028803. The next prime is 238028887. The reversal of 238028880 is 88820832.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238028887) 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, 19906 + ... + 29534.

It is an arithmetic number, because the mean of its divisors is an integer number (9314136).

Almost surely, 2^238028880 is an apocalyptic number.

238028880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238028880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372565440).

238028880 is an abundant number, since it is smaller than the sum of its proper divisors (507102000).

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

238028880 is a wasteful number, since it uses less digits than its factorization.

238028880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9748 (or 9742 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 39.

The square root of 238028880 is about 15428.1845983252. The cubic root of 238028880 is about 619.7405088216.

The spelling of 238028880 in words is "two hundred thirty-eight million, twenty-eight thousand, eight hundred eighty".