503628 has 12 divisors (see below), whose sum is σ = 1175160. Its totient is φ = 167872.

The previous prime is 503623. The next prime is 503647. The reversal of 503628 is 826305.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 503598 and 503607.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 503628.

It is not an unprimeable number, because it can be changed into a prime (503621) 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, 20973 + ... + 20996.

It is an arithmetic number, because the mean of its divisors is an integer number (97930).

2⁵⁰³⁶²⁸ is an apocalyptic number.

It is an amenable number.

503628 is an abundant number, since it is smaller than the sum of its proper divisors (671532).

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

503628 is a wasteful number, since it uses less digits than its factorization.

503628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41976 (or 41974 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 503628 is about 709.6675277903. The cubic root of 503628 is about 79.5615598509.

The spelling of 503628 in words is "five hundred three thousand, six hundred twenty-eight".