2808959 has 2 divisors, whose sum is σ = 2808960. Its totient is φ = 2808958.

The previous prime is 2808919. The next prime is 2808977. The reversal of 2808959 is 9598082.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2808959 - 2⁸ = 2808703 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 (2808919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1404479 + 1404480.

It is an arithmetic number, because the mean of its divisors is an integer number (1404480).

2^2808959 is an apocalyptic number.

2808959 is a deficient number, since it is larger than the sum of its proper divisors (1).

2808959 is an equidigital number, since it uses as much as digits as its factorization.

2808959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 2808959 is about 1675.9949283933. The cubic root of 2808959 is about 141.0961401900.

The spelling of 2808959 in words is "two million, eight hundred eight thousand, nine hundred fifty-nine".