195620806 has 8 divisors (see below), whose sum is σ = 293516280. Its totient is φ = 97782048.

The previous prime is 195620753. The next prime is 195620807. The reversal of 195620806 is 608026591.

195620806 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195620807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4131 + ... + 20206.

It is an arithmetic number, because the mean of its divisors is an integer number (36689535).

Almost surely, 2^195620806 is an apocalyptic number.

195620806 is a deficient number, since it is larger than the sum of its proper divisors (97895474).

195620806 is a wasteful number, since it uses less digits than its factorization.

195620806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28358.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 195620806 is about 13986.4508006856. The cubic root of 195620806 is about 580.5037300413.

The spelling of 195620806 in words is "one hundred ninety-five million, six hundred twenty thousand, eight hundred six".