196631417 has 2 divisors, whose sum is σ = 196631418. Its totient is φ = 196631416.

The previous prime is 196631387. The next prime is 196631441. The reversal of 196631417 is 714136691.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142181776 + 54449641 = 11924^2 + 7379^2 .

It is a cyclic number.

It is not a de Polignac number, because 196631417 - 2¹⁰ = 196630393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (196631317) 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, 98315708 + 98315709.

It is an arithmetic number, because the mean of its divisors is an integer number (98315709).

Almost surely, 2^196631417 is an apocalyptic number.

It is an amenable number.

196631417 is a deficient number, since it is larger than the sum of its proper divisors (1).

196631417 is an equidigital number, since it uses as much as digits as its factorization.

196631417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 38.

The square root of 196631417 is about 14022.5324745568. The cubic root of 196631417 is about 581.5016744630.

The spelling of 196631417 in words is "one hundred ninety-six million, six hundred thirty-one thousand, four hundred seventeen".