394855 has 8 divisors (see below), whose sum is σ = 477792. Its totient is φ = 313248.

The previous prime is 394837. The next prime is 394861. The reversal of 394855 is 558493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 394855 - 2⁷ = 394727 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 394855.

It is a congruent number.

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, 534 + ... + 1036.

It is an arithmetic number, because the mean of its divisors is an integer number (59724).

2³⁹⁴⁸⁵⁵ is an apocalyptic number.

394855 is a deficient number, since it is larger than the sum of its proper divisors (82937).

394855 is a wasteful number, since it uses less digits than its factorization.

With its successor (394856) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (665).

394855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665.

The product of its digits is 21600, while the sum is 34.

The square root of 394855 is about 628.3748881042. The cubic root of 394855 is about 73.3633600637.

The spelling of 394855 in words is "three hundred ninety-four thousand, eight hundred fifty-five".