2679239 has 2 divisors, whose sum is σ = 2679240. Its totient is φ = 2679238.

The previous prime is 2679233. The next prime is 2679241. The reversal of 2679239 is 9329762.

2679239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2679239 - 2⁸ = 2678983 is a prime.

Together with 2679241, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2679233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1339619 + 1339620.

It is an arithmetic number, because the mean of its divisors is an integer number (1339620).

2^2679239 is an apocalyptic number.

2679239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2679239 is an equidigital number, since it uses as much as digits as its factorization.

2679239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 38.

The square root of 2679239 is about 1636.8381105045. The cubic root of 2679239 is about 138.8898425060.

The spelling of 2679239 in words is "two million, six hundred seventy-nine thousand, two hundred thirty-nine".