2688299 has 2 divisors, whose sum is σ = 2688300. Its totient is φ = 2688298.

The previous prime is 2688239. The next prime is 2688313. The reversal of 2688299 is 9928862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2688299 - 2¹² = 2684203 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2688239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1344149 + 1344150.

It is an arithmetic number, because the mean of its divisors is an integer number (1344150).

2^2688299 is an apocalyptic number.

2688299 is a deficient number, since it is larger than the sum of its proper divisors (1).

2688299 is an equidigital number, since it uses as much as digits as its factorization.

2688299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 44.

The square root of 2688299 is about 1639.6033056810. The cubic root of 2688299 is about 139.0462210208.

The spelling of 2688299 in words is "two million, six hundred eighty-eight thousand, two hundred ninety-nine".