395685 has 20 divisors (see below), whose sum is σ = 710028. Its totient is φ = 210816.

The previous prime is 395677. The next prime is 395687. The reversal of 395685 is 586593.

It can be written as a sum of positive squares in 2 ways, for example, as 272484 + 123201 = 522^2 + 351^2 .

It is not a de Polignac number, because 395685 - 2³ = 395677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395687) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 84 + ... + 893.

2³⁹⁵⁶⁸⁵ is an apocalyptic number.

It is an amenable number.

395685 is a deficient number, since it is larger than the sum of its proper divisors (314343).

395685 is an equidigital number, since it uses as much as digits as its factorization.

395685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994 (or 985 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 395685 is about 629.0349751802. The cubic root of 395685 is about 73.4147282648.

The spelling of 395685 in words is "three hundred ninety-five thousand, six hundred eighty-five".