503828 has 12 divisors (see below), whose sum is σ = 949620. Its totient is φ = 232512.

The previous prime is 503827. The next prime is 503851. The reversal of 503828 is 828305.

It can be written as a sum of positive squares in 2 ways, for example, as 169744 + 334084 = 412^2 + 578^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 503797 and 503806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4793 + ... + 4896.

It is an arithmetic number, because the mean of its divisors is an integer number (79135).

2⁵⁰³⁸²⁸ is an apocalyptic number.

It is an amenable number.

503828 is a deficient number, since it is larger than the sum of its proper divisors (445792).

503828 is a wasteful number, since it uses less digits than its factorization.

503828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9706 (or 9704 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 503828 is about 709.8084248584. The cubic root of 503828 is about 79.5720902464.

It can be divided in two parts, 503 and 828, that added together give a palindrome (1331).

The spelling of 503828 in words is "five hundred three thousand, eight hundred twenty-eight".