196899317 has 2 divisors, whose sum is σ = 196899318. Its totient is φ = 196899316.

The previous prime is 196899301. The next prime is 196899371. The reversal of 196899317 is 713998691.

Together with next prime (196899371) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141158161 + 55741156 = 11881^2 + 7466^2 .

It is a cyclic number.

It is not a de Polignac number, because 196899317 - 2⁴ = 196899301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196899377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98449658 + 98449659.

It is an arithmetic number, because the mean of its divisors is an integer number (98449659).

Almost surely, 2^196899317 is an apocalyptic number.

It is an amenable number.

196899317 is a deficient number, since it is larger than the sum of its proper divisors (1).

196899317 is an equidigital number, since it uses as much as digits as its factorization.

196899317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 53.

The square root of 196899317 is about 14032.0817058625. The cubic root of 196899317 is about 581.7656431363.

The spelling of 196899317 in words is "one hundred ninety-six million, eight hundred ninety-nine thousand, three hundred seventeen".