195843172 has 24 divisors (see below), whose sum is σ = 400022784. Its totient is φ = 82146432.

The previous prime is 195843163. The next prime is 195843209. The reversal of 195843172 is 271348591.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 73093 + ... + 75724.

It is an arithmetic number, because the mean of its divisors is an integer number (16667616).

Almost surely, 2^195843172 is an apocalyptic number.

It is an amenable number.

195843172 is an abundant number, since it is smaller than the sum of its proper divisors (204179612).

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

195843172 is a wasteful number, since it uses less digits than its factorization.

195843172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148875 (or 148873 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 195843172 is about 13994.3978791515. The cubic root of 195843172 is about 580.7236034025.

The spelling of 195843172 in words is "one hundred ninety-five million, eight hundred forty-three thousand, one hundred seventy-two".