297964939 has 2 divisors, whose sum is σ = 297964940. Its totient is φ = 297964938.

The previous prime is 297964883. The next prime is 297964951. The reversal of 297964939 is 939469792.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 297964939 - 2⁹ = 297964427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (297964339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148982469 + 148982470.

It is an arithmetic number, because the mean of its divisors is an integer number (148982470).

Almost surely, 2^297964939 is an apocalyptic number.

297964939 is a deficient number, since it is larger than the sum of its proper divisors (1).

297964939 is an equidigital number, since it uses as much as digits as its factorization.

297964939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6613488, while the sum is 58.

The square root of 297964939 is about 17261.6609571617. The cubic root of 297964939 is about 667.9158067064.

The spelling of 297964939 in words is "two hundred ninety-seven million, nine hundred sixty-four thousand, nine hundred thirty-nine".