394317 has 24 divisors (see below), whose sum is σ = 711360. Its totient is φ = 204480.

The previous prime is 394291. The next prime is 394319. The reversal of 394317 is 713493.

It is not a de Polignac number, because 394317 - 2¹¹ = 392269 is a prime.

It is an Ulam number.

394317 is a lucky number.

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 394317.

It is not an unprimeable number, because it can be changed into a prime (394319) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 409 + ... + 977.

It is an arithmetic number, because the mean of its divisors is an integer number (29640).

2³⁹⁴³¹⁷ is an apocalyptic number.

It is an amenable number.

394317 is a deficient number, since it is larger than the sum of its proper divisors (317043).

394317 is a wasteful number, since it uses less digits than its factorization.

394317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593 (or 590 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 394317 is about 627.9466537852. The cubic root of 394317 is about 73.3300251033.

It can be divided in two parts, 39 and 4317, that added together give a square (4356 = 66²).

The spelling of 394317 in words is "three hundred ninety-four thousand, three hundred seventeen".