195868 has 12 divisors (see below), whose sum is σ = 357840. Its totient is φ = 93632.

The previous prime is 195863. The next prime is 195869. The reversal of 195868 is 868591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195863) 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 in 3 ways as a sum of consecutive naturals, for example, 973 + ... + 1156.

It is an arithmetic number, because the mean of its divisors is an integer number (29820).

2¹⁹⁵⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

195868 is a deficient number, since it is larger than the sum of its proper divisors (161972).

195868 is a wasteful number, since it uses less digits than its factorization.

195868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156 (or 2154 counting only the distinct ones).

The product of its digits is 17280, while the sum is 37.

The square root of 195868 is about 442.5697685111. The cubic root of 195868 is about 58.0748142759.

The spelling of 195868 in words is "one hundred ninety-five thousand, eight hundred sixty-eight".