It is an unprimeable number.
2504804 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 504804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (645120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
504804 is a wasteful number, since it uses less digits than its factorization.
504804 is an evil number, because the sum of its binary digits is even.
The square root of 504804 is about 710.4956016753. The cubic root of 504804 is about 79.6234386336.
The spelling of 504804 in words is "five hundred four thousand, eight hundred four".