239868288 has 192 divisors, whose sum is σ = 786689280. Its totient is φ = 69442560.

The previous prime is 239868281. The next prime is 239868289. The reversal of 239868288 is 882868932.

It is a tau number, because it is divible by the number of its divisors (192).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239868281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 291045 + ... + 291867.

It is an arithmetic number, because the mean of its divisors is an integer number (4097340).

Almost surely, 2^239868288 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 239868288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393344640).

239868288 is an abundant number, since it is smaller than the sum of its proper divisors (546820992).

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

239868288 is a wasteful number, since it uses less digits than its factorization.

239868288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877 (or 862 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 54.

The square root of 239868288 is about 15487.6818149134. The cubic root of 239868288 is about 621.3327971080.

The spelling of 239868288 in words is "two hundred thirty-nine million, eight hundred sixty-eight thousand, two hundred eighty-eight".