394533 has 12 divisors (see below), whose sum is σ = 580320. Its totient is φ = 258216.

The previous prime is 394529. The next prime is 394549. The reversal of 394533 is 335493.

It is not a de Polignac number, because 394533 - 2² = 394529 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 394497 and 394506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394523) 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 11 ways as a sum of consecutive naturals, for example, 160 + ... + 902.

It is an arithmetic number, because the mean of its divisors is an integer number (48360).

2³⁹⁴⁵³³ is an apocalyptic number.

It is an amenable number.

394533 is a deficient number, since it is larger than the sum of its proper divisors (185787).

394533 is a wasteful number, since it uses less digits than its factorization.

394533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808 (or 805 counting only the distinct ones).

The product of its digits is 4860, while the sum is 27.

The square root of 394533 is about 628.1186193706. The cubic root of 394533 is about 73.3434122970.

The spelling of 394533 in words is "three hundred ninety-four thousand, five hundred thirty-three".