804393 has 12 divisors (see below), whose sum is σ = 1172080. Its totient is φ = 531576.

The previous prime is 804383. The next prime is 804409. The reversal of 804393 is 393408.

It is not a de Polignac number, because 804393 - 2⁶ = 804329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (804313) 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, 930 + ... + 1572.

2⁸⁰⁴³⁹³ is an apocalyptic number.

It is an amenable number.

804393 is a deficient number, since it is larger than the sum of its proper divisors (367687).

804393 is a wasteful number, since it uses less digits than its factorization.

804393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788 (or 785 counting only the distinct ones).

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

The square root of 804393 is about 896.8795905806. The cubic root of 804393 is about 93.0013874229.

The spelling of 804393 in words is "eight hundred four thousand, three hundred ninety-three".