195827 has 4 divisors (see below), whose sum is σ = 202176. Its totient is φ = 189480.

The previous prime is 195817. The next prime is 195863. The reversal of 195827 is 728591.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 195793 and 195802.

It is not an unprimeable number, because it can be changed into a prime (195817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3128 + ... + 3189.

It is an arithmetic number, because the mean of its divisors is an integer number (50544).

2¹⁹⁵⁸²⁷ is an apocalyptic number.

195827 is a deficient number, since it is larger than the sum of its proper divisors (6349).

195827 is an equidigital number, since it uses as much as digits as its factorization.

195827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6348.

The product of its digits is 5040, while the sum is 32.

The square root of 195827 is about 442.5234457066. The cubic root of 195827 is about 58.0707618298.

The spelling of 195827 in words is "one hundred ninety-five thousand, eight hundred twenty-seven".