239879 has 2 divisors, whose sum is σ = 239880. Its totient is φ = 239878.

The previous prime is 239873. The next prime is 239893. The reversal of 239879 is 978932.

239879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 239879 - 2⁸ = 239623 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (239873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119939 + 119940.

It is an arithmetic number, because the mean of its divisors is an integer number (119940).

2²³⁹⁸⁷⁹ is an apocalyptic number.

239879 is a deficient number, since it is larger than the sum of its proper divisors (1).

239879 is an equidigital number, since it uses as much as digits as its factorization.

239879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 38.

The square root of 239879 is about 489.7744378793. The cubic root of 239879 is about 62.1342046098.

The spelling of 239879 in words is "two hundred thirty-nine thousand, eight hundred seventy-nine".