2399297 has 2 divisors, whose sum is σ = 2399298. Its totient is φ = 2399296.

The previous prime is 2399273. The next prime is 2399317. The reversal of 2399297 is 7929932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1336336 + 1062961 = 1156^2 + 1031^2 .

It is a cyclic number.

It is not a de Polignac number, because 2399297 - 2⁸ = 2399041 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2399207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1199648 + 1199649.

It is an arithmetic number, because the mean of its divisors is an integer number (1199649).

2^2399297 is an apocalyptic number.

It is an amenable number.

2399297 is a deficient number, since it is larger than the sum of its proper divisors (1).

2399297 is an equidigital number, since it uses as much as digits as its factorization.

2399297 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 2399297 is about 1548.9664295910. The cubic root of 2399297 is about 133.8735162020.

The spelling of 2399297 in words is "two million, three hundred ninety-nine thousand, two hundred ninety-seven".