195684 has 24 divisors (see below), whose sum is σ = 477120. Its totient is φ = 62304.

The previous prime is 195677. The next prime is 195691. The reversal of 195684 is 486591.

195684 = 81² + 82² + ... + 103².

195684 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (195677) and next prime (195691).

It is an unprimeable number.

195684 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 7 ways as a sum of consecutive naturals, for example, 79 + ... + 630.

It is an arithmetic number, because the mean of its divisors is an integer number (19880).

2¹⁹⁵⁶⁸⁴ is an apocalyptic number.

It is an amenable number.

195684 is an abundant number, since it is smaller than the sum of its proper divisors (281436).

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

195684 is a wasteful number, since it uses less digits than its factorization.

195684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739 (or 737 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 195684 is about 442.3618428391. The cubic root of 195684 is about 58.0566232601.

The spelling of 195684 in words is "one hundred ninety-five thousand, six hundred eighty-four".