239396864 has 48 divisors (see below), whose sum is σ = 547092000. Its totient is φ = 102592512.

The previous prime is 239396863. The next prime is 239396869. The reversal of 239396864 is 468693932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239396863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5987 + ... + 22685.

It is an arithmetic number, because the mean of its divisors is an integer number (11397750).

Almost surely, 2^239396864 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 239396864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273546000).

239396864 is an abundant number, since it is smaller than the sum of its proper divisors (307695136).

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

239396864 is an equidigital number, since it uses as much as digits as its factorization.

239396864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16728 (or 16708 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 50.

The square root of 239396864 is about 15472.4550088213. The cubic root of 239396864 is about 620.9254856687.

It can be divided in two parts, 23939 and 6864, that added together give a palindrome (30803).

The spelling of 239396864 in words is "two hundred thirty-nine million, three hundred ninety-six thousand, eight hundred sixty-four".