395864 has 16 divisors (see below), whose sum is σ = 848400. Its totient is φ = 169632.

The previous prime is 395851. The next prime is 395873. The reversal of 395864 is 468593.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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 395864.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3479 + ... + 3590.

It is an arithmetic number, because the mean of its divisors is an integer number (53025).

2³⁹⁵⁸⁶⁴ is an apocalyptic number.

It is an amenable number.

395864 is an abundant number, since it is smaller than the sum of its proper divisors (452536).

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

395864 is a wasteful number, since it uses less digits than its factorization.

395864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7082 (or 7078 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 395864 is about 629.1772405292. The cubic root of 395864 is about 73.4257970487.

The spelling of 395864 in words is "three hundred ninety-five thousand, eight hundred sixty-four".