195800 has 48 divisors (see below), whose sum is σ = 502200. Its totient is φ = 70400.

The previous prime is 195791. The next prime is 195809. The reversal of 195800 is 8591.

It is an interprime number because it is at equal distance from previous prime (195791) and next prime (195809).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195809) by changing a digit.

195800 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 11 ways as a sum of consecutive naturals, for example, 2156 + ... + 2244.

2¹⁹⁵⁸⁰⁰ is an apocalyptic number.

195800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251100).

195800 is an abundant number, since it is smaller than the sum of its proper divisors (306400).

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

195800 is a wasteful number, since it uses less digits than its factorization.

195800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 195800 is about 442.4929377968. The cubic root of 195800 is about 58.0680928369.

The spelling of 195800 in words is "one hundred ninety-five thousand, eight hundred".