195636 has 48 divisors (see below), whose sum is σ = 556416. Its totient is φ = 52224.

The previous prime is 195599. The next prime is 195659. The reversal of 195636 is 636591.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

195636 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 15 ways as a sum of consecutive naturals, for example, 1360 + ... + 1496.

It is an arithmetic number, because the mean of its divisors is an integer number (11592).

2¹⁹⁵⁶³⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278208).

195636 is an abundant number, since it is smaller than the sum of its proper divisors (360780).

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

195636 is a wasteful number, since it uses less digits than its factorization.

195636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 166 counting only the distinct ones).

The product of its digits is 4860, while the sum is 30.

The square root of 195636 is about 442.3075852843. The cubic root of 195636 is about 58.0518759024.

The spelling of 195636 in words is "one hundred ninety-five thousand, six hundred thirty-six".