394859 has 4 divisors (see below), whose sum is σ = 418104. Its totient is φ = 371616.

The previous prime is 394837. The next prime is 394861. The reversal of 394859 is 958493.

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

It is a cyclic number.

It is not a de Polignac number, because 394859 - 2¹² = 390763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (394819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11597 + ... + 11630.

It is an arithmetic number, because the mean of its divisors is an integer number (104526).

2³⁹⁴⁸⁵⁹ is an apocalyptic number.

394859 is a deficient number, since it is larger than the sum of its proper divisors (23245).

394859 is a wasteful number, since it uses less digits than its factorization.

394859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23244.

The product of its digits is 38880, while the sum is 38.

The square root of 394859 is about 628.3780709095. The cubic root of 394859 is about 73.3636077938.

The spelling of 394859 in words is "three hundred ninety-four thousand, eight hundred fifty-nine".