503804 has 24 divisors (see below), whose sum is σ = 1061760. Its totient is φ = 204336.

The previous prime is 503803. The next prime is 503819. The reversal of 503804 is 408305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59 + ... + 1005.

It is an arithmetic number, because the mean of its divisors is an integer number (44240).

2⁵⁰³⁸⁰⁴ 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 503804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (530880).

503804 is an abundant number, since it is smaller than the sum of its proper divisors (557956).

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

503804 is a wasteful number, since it uses less digits than its factorization.

503804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 503804 is about 709.7915186870. The cubic root of 503804 is about 79.5708267461.

The spelling of 503804 in words is "five hundred three thousand, eight hundred four".