196916297 has 2 divisors, whose sum is σ = 196916298. Its totient is φ = 196916296.

The previous prime is 196916267. The next prime is 196916329. The reversal of 196916297 is 792619691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157276681 + 39639616 = 12541^2 + 6296^2 .

It is an emirp because it is prime and its reverse (792619691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196916297 - 2⁶ = 196916233 is a prime.

It is not a weakly prime, because it can be changed into another prime (196916267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98458148 + 98458149.

It is an arithmetic number, because the mean of its divisors is an integer number (98458149).

Almost surely, 2^196916297 is an apocalyptic number.

It is an amenable number.

196916297 is a deficient number, since it is larger than the sum of its proper divisors (1).

196916297 is an equidigital number, since it uses as much as digits as its factorization.

196916297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 367416, while the sum is 50.

The square root of 196916297 is about 14032.6867349058. The cubic root of 196916297 is about 581.7823658905.

The spelling of 196916297 in words is "one hundred ninety-six million, nine hundred sixteen thousand, two hundred ninety-seven".