239339439 has 12 divisors (see below), whose sum is σ = 346118136. Its totient is φ = 159372432.

The previous prime is 239339393. The next prime is 239339453. The reversal of 239339439 is 934933932.

239339439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 239339439 - 2⁸ = 239339183 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 239339394 and 239339403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239339339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7269 + ... + 23054.

It is an arithmetic number, because the mean of its divisors is an integer number (28843178).

Almost surely, 2^239339439 is an apocalyptic number.

239339439 is a deficient number, since it is larger than the sum of its proper divisors (106778697).

239339439 is a wasteful number, since it uses less digits than its factorization.

239339439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31206 (or 31203 counting only the distinct ones).

The product of its digits is 472392, while the sum is 45.

The square root of 239339439 is about 15470.5991803808. The cubic root of 239339439 is about 620.8758338105.

It can be divided in two parts, 239339 and 439, that added together give a triangular number (239778 = T₆₉₂).

The spelling of 239339439 in words is "two hundred thirty-nine million, three hundred thirty-nine thousand, four hundred thirty-nine".