196983859 has 2 divisors, whose sum is σ = 196983860. Its totient is φ = 196983858.

The previous prime is 196983851. The next prime is 196983877. The reversal of 196983859 is 958389691.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 196983859 - 2³ = 196983851 is a prime.

It is not a weakly prime, because it can be changed into another prime (196983851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98491929 + 98491930.

It is an arithmetic number, because the mean of its divisors is an integer number (98491930).

Almost surely, 2^196983859 is an apocalyptic number.

196983859 is a deficient number, since it is larger than the sum of its proper divisors (1).

196983859 is an equidigital number, since it uses as much as digits as its factorization.

196983859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4199040, while the sum is 58.

The square root of 196983859 is about 14035.0938365228. The cubic root of 196983859 is about 581.8488948105.

The spelling of 196983859 in words is "one hundred ninety-six million, nine hundred eighty-three thousand, eight hundred fifty-nine".