239225856 has 88 divisors (see below), whose sum is σ = 652812864. Its totient is φ = 77844480.

The previous prime is 239225851. The next prime is 239225869. The reversal of 239225856 is 658522932.

239225856 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (239225851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131191 + ... + 133001.

It is an arithmetic number, because the mean of its divisors is an integer number (7418328).

Almost surely, 2^239225856 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 239225856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326406432).

239225856 is an abundant number, since it is smaller than the sum of its proper divisors (413587008).

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

239225856 is a wasteful number, since it uses less digits than its factorization.

239225856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877 (or 1859 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The square root of 239225856 is about 15466.9278138873. The cubic root of 239225856 is about 620.7776021961. Note that the first 3 decimals are identical.

The spelling of 239225856 in words is "two hundred thirty-nine million, two hundred twenty-five thousand, eight hundred fifty-six".