2390879 has 2 divisors, whose sum is σ = 2390880. Its totient is φ = 2390878.

The previous prime is 2390849. The next prime is 2390887. The reversal of 2390879 is 9780932.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2390879 - 2⁸ = 2390623 is a prime.

It is a Sophie Germain 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 (2390809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1195439 + 1195440.

It is an arithmetic number, because the mean of its divisors is an integer number (1195440).

2^2390879 is an apocalyptic number.

2390879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2390879 is an equidigital number, since it uses as much as digits as its factorization.

2390879 is an evil number, because the sum of its binary digits is even.

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

The square root of 2390879 is about 1546.2467461566. The cubic root of 2390879 is about 133.7167664249.

The spelling of 2390879 in words is "two million, three hundred ninety thousand, eight hundred seventy-nine".