239491368 has 96 divisors (see below), whose sum is σ = 680908800. Its totient is φ = 75945600.

The previous prime is 239491363. The next prime is 239491391. The reversal of 239491368 is 863194932.

It is a happy number.

239491368 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×239491368² = 114712230693022848, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (239491363) 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, 135273 + ... + 137031.

It is an arithmetic number, because the mean of its divisors is an integer number (7092800).

Almost surely, 2^239491368 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 239491368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340454400).

239491368 is an abundant number, since it is smaller than the sum of its proper divisors (441417432).

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

239491368 is a wasteful number, since it uses less digits than its factorization.

239491368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863 (or 1856 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 239491368 is about 15475.5086507682. The cubic root of 239491368 is about 621.0071801701.

The spelling of 239491368 in words is "two hundred thirty-nine million, four hundred ninety-one thousand, three hundred sixty-eight".