195828 has 12 divisors (see below), whose sum is σ = 456960. Its totient is φ = 65272.

The previous prime is 195817. The next prime is 195863. The reversal of 195828 is 828591.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

195828 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8148 + ... + 8171.

It is an arithmetic number, because the mean of its divisors is an integer number (38080).

2¹⁹⁵⁸²⁸ is an apocalyptic number.

It is an amenable number.

195828 is an abundant number, since it is smaller than the sum of its proper divisors (261132).

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

195828 is a wasteful number, since it uses less digits than its factorization.

195828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16326 (or 16324 counting only the distinct ones).

The product of its digits is 5760, while the sum is 33.

The square root of 195828 is about 442.5245755887. The cubic root of 195828 is about 58.0708606767.

The spelling of 195828 in words is "one hundred ninety-five thousand, eight hundred twenty-eight".