196290859 has 2 divisors, whose sum is σ = 196290860. Its totient is φ = 196290858.

The previous prime is 196290833. The next prime is 196290893. The reversal of 196290859 is 958092691.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 196290859 - 2⁵ = 196290827 is a prime.

It is not a weakly prime, because it can be changed into another prime (196290359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98145429 + 98145430.

It is an arithmetic number, because the mean of its divisors is an integer number (98145430).

Almost surely, 2^196290859 is an apocalyptic number.

196290859 is a deficient number, since it is larger than the sum of its proper divisors (1).

196290859 is an equidigital number, since it uses as much as digits as its factorization.

196290859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 49.

The square root of 196290859 is about 14010.3839704699. The cubic root of 196290859 is about 581.1657676683.

The spelling of 196290859 in words is "one hundred ninety-six million, two hundred ninety thousand, eight hundred fifty-nine".