2799239 has 2 divisors, whose sum is σ = 2799240. Its totient is φ = 2799238.

The previous prime is 2799233. The next prime is 2799253. The reversal of 2799239 is 9329972.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2799239 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2799196 and 2799205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2799233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1399619 + 1399620.

It is an arithmetic number, because the mean of its divisors is an integer number (1399620).

2^2799239 is an apocalyptic number.

2799239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2799239 is an equidigital number, since it uses as much as digits as its factorization.

2799239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61236, while the sum is 41.

The square root of 2799239 is about 1673.0926453726. The cubic root of 2799239 is about 140.9332044502.

The spelling of 2799239 in words is "two million, seven hundred ninety-nine thousand, two hundred thirty-nine".