804504 has 16 divisors (see below), whose sum is σ = 2011320. Its totient is φ = 268160.

The previous prime is 804497. The next prime is 804511. The reversal of 804504 is 405408.

It is an interprime number because it is at equal distance from previous prime (804497) and next prime (804511).

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

804504 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16737 + ... + 16784.

2⁸⁰⁴⁵⁰⁴ is an apocalyptic number.

It is an amenable number.

804504 is an abundant number, since it is smaller than the sum of its proper divisors (1206816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

804504 is a wasteful number, since it uses less digits than its factorization.

804504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33530 (or 33526 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 804504 is about 896.9414696623. The cubic root of 804504 is about 93.0056650498.

The spelling of 804504 in words is "eight hundred four thousand, five hundred four".