196732817 has 2 divisors, whose sum is σ = 196732818. Its totient is φ = 196732816.

The previous prime is 196732763. The next prime is 196732819. The reversal of 196732817 is 718237691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 175536001 + 21196816 = 13249^2 + 4604^2 .

It is a cyclic number.

It is not a de Polignac number, because 196732817 - 2¹⁶ = 196667281 is a prime.

Together with 196732819, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (196732819) 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, 98366408 + 98366409.

It is an arithmetic number, because the mean of its divisors is an integer number (98366409).

Almost surely, 2^196732817 is an apocalyptic number.

It is an amenable number.

196732817 is a deficient number, since it is larger than the sum of its proper divisors (1).

196732817 is an equidigital number, since it uses as much as digits as its factorization.

196732817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 44.

The square root of 196732817 is about 14026.1476179313. The cubic root of 196732817 is about 581.6016146420.

The spelling of 196732817 in words is "one hundred ninety-six million, seven hundred thirty-two thousand, eight hundred seventeen".