195609806 has 16 divisors (see below), whose sum is σ = 336584160. Its totient is φ = 83519520.

The previous prime is 195609797. The next prime is 195609809. The reversal of 195609806 is 608906591.

195609806 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195609809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22205 + ... + 29736.

It is an arithmetic number, because the mean of its divisors is an integer number (21036510).

Almost surely, 2^195609806 is an apocalyptic number.

195609806 is a deficient number, since it is larger than the sum of its proper divisors (140974354).

195609806 is a wasteful number, since it uses less digits than its factorization.

195609806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52219.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 195609806 is about 13986.0575574391. The cubic root of 195609806 is about 580.4928490230.

The spelling of 195609806 in words is "one hundred ninety-five million, six hundred nine thousand, eight hundred six".