196559983 has 2 divisors, whose sum is σ = 196559984. Its totient is φ = 196559982.

The previous prime is 196559939. The next prime is 196559989. The reversal of 196559983 is 389955691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 196559983 - 2⁹ = 196559471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196559989) 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, 98279991 + 98279992.

It is an arithmetic number, because the mean of its divisors is an integer number (98279992).

Almost surely, 2^196559983 is an apocalyptic number.

196559983 is a deficient number, since it is larger than the sum of its proper divisors (1).

196559983 is an equidigital number, since it uses as much as digits as its factorization.

196559983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2624400, while the sum is 55.

The square root of 196559983 is about 14019.9851283801. The cubic root of 196559983 is about 581.4312482438.

The spelling of 196559983 in words is "one hundred ninety-six million, five hundred fifty-nine thousand, nine hundred eighty-three".