196427859 has 4 divisors (see below), whose sum is σ = 261903816. Its totient is φ = 130951904.

The previous prime is 196427851. The next prime is 196427887. The reversal of 196427859 is 958724691.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 196427859 - 2³ = 196427851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196427851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32737974 + ... + 32737979.

It is an arithmetic number, because the mean of its divisors is an integer number (65475954).

Almost surely, 2^196427859 is an apocalyptic number.

196427859 is a deficient number, since it is larger than the sum of its proper divisors (65475957).

196427859 is an equidigital number, since it uses as much as digits as its factorization.

196427859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65475956.

The product of its digits is 1088640, while the sum is 51.

The square root of 196427859 is about 14015.2723484062. The cubic root of 196427859 is about 581.3009432515.

The spelling of 196427859 in words is "one hundred ninety-six million, four hundred twenty-seven thousand, eight hundred fifty-nine".