394339 has 6 divisors (see below), whose sum is σ = 433580. Its totient is φ = 358380.

The previous prime is 394327. The next prime is 394357. The reversal of 394339 is 933493.

It is not a de Polignac number, because 394339 - 2⁷ = 394211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 394339.

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 5 ways as a sum of consecutive naturals, for example, 1509 + ... + 1750.

2³⁹⁴³³⁹ is an apocalyptic number.

394339 is a deficient number, since it is larger than the sum of its proper divisors (39241).

394339 is a wasteful number, since it uses less digits than its factorization.

394339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3281 (or 3270 counting only the distinct ones).

The product of its digits is 8748, while the sum is 31.

The square root of 394339 is about 627.9641709525. The cubic root of 394339 is about 73.3313888373.

The spelling of 394339 in words is "three hundred ninety-four thousand, three hundred thirty-nine".