8195859 has 48 divisors (see below), whose sum is σ = 14676480. Its totient is φ = 4302720.

The previous prime is 8195849. The next prime is 8195917. The reversal of 8195859 is 9585918.

It is not a de Polignac number, because 8195859 - 2⁹ = 8195347 is a prime.

Its product of digits (129600) is a multiple of the sum of its prime factors (240).

It is not an unprimeable number, because it can be changed into a prime (8195809) 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 47 ways as a sum of consecutive naturals, for example, 48994 + ... + 49160.

It is an arithmetic number, because the mean of its divisors is an integer number (305760).

Almost surely, 2^8195859 is an apocalyptic number.

8195859 is a deficient number, since it is larger than the sum of its proper divisors (6480621).

8195859 is a wasteful number, since it uses less digits than its factorization.

8195859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 237 counting only the distinct ones).

The product of its digits is 129600, while the sum is 45.

The square root of 8195859 is about 2862.8410713835. The cubic root of 8195859 is about 201.6190168899.

The spelling of 8195859 in words is "eight million, one hundred ninety-five thousand, eight hundred fifty-nine".