195812 has 6 divisors (see below), whose sum is σ = 342678. Its totient is φ = 97904.

The previous prime is 195809. The next prime is 195817. The reversal of 195812 is 218591.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 164836 + 30976 = 406^2 + 176^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 195812.

It is not an unprimeable number, because it can be changed into a prime (195817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24473 + ... + 24480.

It is an arithmetic number, because the mean of its divisors is an integer number (57113).

2¹⁹⁵⁸¹² is an apocalyptic number.

It is an amenable number.

195812 is a deficient number, since it is larger than the sum of its proper divisors (146866).

195812 is a wasteful number, since it uses less digits than its factorization.

195812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48957 (or 48955 counting only the distinct ones).

The product of its digits is 720, while the sum is 26.

The square root of 195812 is about 442.5064971274. The cubic root of 195812 is about 58.0692790863.

The spelling of 195812 in words is "one hundred ninety-five thousand, eight hundred twelve".