195859794 has 32 divisors (see below), whose sum is σ = 436403520. Its totient is φ = 58185792.

The previous prime is 195859793. The next prime is 195859813. The reversal of 195859794 is 497958591.

195859794 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×195859794² = 76722117811444872, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (195859793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41032 + ... + 45555.

It is an arithmetic number, because the mean of its divisors is an integer number (13637610).

Almost surely, 2^195859794 is an apocalyptic number.

195859794 is an abundant number, since it is smaller than the sum of its proper divisors (240543726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195859794 is a wasteful number, since it uses less digits than its factorization.

195859794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86634.

The product of its digits is 4082400, while the sum is 57.

The square root of 195859794 is about 13994.9917470501. The cubic root of 195859794 is about 580.7400323893.

The spelling of 195859794 in words is "one hundred ninety-five million, eight hundred fifty-nine thousand, seven hundred ninety-four".