394803 has 6 divisors (see below), whose sum is σ = 570284. Its totient is φ = 263196.

The previous prime is 394787. The next prime is 394811. The reversal of 394803 is 308493.

It is not a de Polignac number, because 394803 - 2⁴ = 394787 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 394803.

It is not an unprimeable number, because it can be changed into a prime (394813) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21925 + ... + 21942.

2³⁹⁴⁸⁰³ is an apocalyptic number.

394803 is a deficient number, since it is larger than the sum of its proper divisors (175481).

394803 is a wasteful number, since it uses less digits than its factorization.

394803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43873 (or 43870 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 394803 is about 628.3335101680. Note that the first 3 decimals coincide. The cubic root of 394803 is about 73.3601394196.

The spelling of 394803 in words is "three hundred ninety-four thousand, eight hundred three".