199996297 has 2 divisors, whose sum is σ = 199996298. Its totient is φ = 199996296.

The previous prime is 199996289. The next prime is 199996301. The reversal of 199996297 is 792699991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135932281 + 64064016 = 11659^2 + 8004^2 .

It is a cyclic number.

It is not a de Polignac number, because 199996297 - 2³ = 199996289 is a prime.

It is not a weakly prime, because it can be changed into another prime (199996207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99998148 + 99998149.

It is an arithmetic number, because the mean of its divisors is an integer number (99998149).

Almost surely, 2^199996297 is an apocalyptic number.

It is an amenable number.

199996297 is a deficient number, since it is larger than the sum of its proper divisors (1).

199996297 is an equidigital number, since it uses as much as digits as its factorization.

199996297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4960116, while the sum is 61.

The square root of 199996297 is about 14142.0047023044. The cubic root of 199996297 is about 584.7999384077.

The spelling of 199996297 in words is "one hundred ninety-nine million, nine hundred ninety-six thousand, two hundred ninety-seven".