195870 has 16 divisors (see below), whose sum is σ = 470160. Its totient is φ = 52224.

The previous prime is 195869. The next prime is 195883. The reversal of 195870 is 78591.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 6529 = 195870 / (1 + 9 + 5 + 8 + 7 + 0).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 195870.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3235 + ... + 3294.

It is an arithmetic number, because the mean of its divisors is an integer number (29385).

2¹⁹⁵⁸⁷⁰ is an apocalyptic number.

195870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195870 is an abundant number, since it is smaller than the sum of its proper divisors (274290).

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

195870 is a wasteful number, since it uses less digits than its factorization.

195870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6539.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 195870 is about 442.5720280361. The cubic root of 195870 is about 58.0750119418.

The spelling of 195870 in words is "one hundred ninety-five thousand, eight hundred seventy".