394303 has 12 divisors (see below), whose sum is σ = 494760. Its totient is φ = 311472.

The previous prime is 394291. The next prime is 394319. The reversal of 394303 is 303493.

It is not a de Polignac number, because 394303 - 2⁵ = 394271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 328 + ... + 946.

It is an arithmetic number, because the mean of its divisors is an integer number (41230).

2³⁹⁴³⁰³ is an apocalyptic number.

394303 is a deficient number, since it is larger than the sum of its proper divisors (100457).

394303 is a wasteful number, since it uses less digits than its factorization.

394303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 394303 is about 627.9355062425. The cubic root of 394303 is about 73.3291572461.

Adding to 394303 its reverse (303493), we get a palindrome (697796).

The spelling of 394303 in words is "three hundred ninety-four thousand, three hundred three".