196084309 has 2 divisors, whose sum is σ = 196084310. Its totient is φ = 196084308.

The previous prime is 196084303. The next prime is 196084319. The reversal of 196084309 is 903480691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104346225 + 91738084 = 10215^2 + 9578^2 .

It is a cyclic number.

It is not a de Polignac number, because 196084309 - 2²³ = 187695701 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196084303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98042154 + 98042155.

It is an arithmetic number, because the mean of its divisors is an integer number (98042155).

Almost surely, 2^196084309 is an apocalyptic number.

It is an amenable number.

196084309 is a deficient number, since it is larger than the sum of its proper divisors (1).

196084309 is an equidigital number, since it uses as much as digits as its factorization.

196084309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 196084309 is about 14003.0107119862. The cubic root of 196084309 is about 580.9618493281.

The spelling of 196084309 in words is "one hundred ninety-six million, eighty-four thousand, three hundred nine".