239689368 has 112 divisors (see below), whose sum is σ = 684261720. Its totient is φ = 78662016.

The previous prime is 239689363. The next prime is 239689391. The reversal of 239689368 is 863986932.

239689368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 (239689363) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 425455 + ... + 426017.

Almost surely, 2^239689368 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 239689368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342130860).

239689368 is an abundant number, since it is smaller than the sum of its proper divisors (444572352).

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

239689368 is an equidigital number, since it uses as much as digits as its factorization.

239689368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 641 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The square root of 239689368 is about 15481.9045340036. The cubic root of 239689368 is about 621.1782726993.

The spelling of 239689368 in words is "two hundred thirty-nine million, six hundred eighty-nine thousand, three hundred sixty-eight".