195469197 has 16 divisors (see below), whose sum is σ = 324936192. Its totient is φ = 101542320.

The previous prime is 195469189. The next prime is 195469199. The reversal of 195469197 is 791964591.

It is not a de Polignac number, because 195469197 - 2³ = 195469189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195469199) 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 15 ways as a sum of consecutive naturals, for example, 422863 + ... + 423324.

It is an arithmetic number, because the mean of its divisors is an integer number (20308512).

Almost surely, 2^195469197 is an apocalyptic number.

It is an amenable number.

195469197 is a deficient number, since it is larger than the sum of its proper divisors (129466995).

195469197 is a wasteful number, since it uses less digits than its factorization.

195469197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846208.

The product of its digits is 612360, while the sum is 51.

The square root of 195469197 is about 13981.0298976864. The cubic root of 195469197 is about 580.3537249748.

The spelling of 195469197 in words is "one hundred ninety-five million, four hundred sixty-nine thousand, one hundred ninety-seven".