503920 has 20 divisors (see below), whose sum is σ = 1171800. Its totient is φ = 201536.

The previous prime is 503911. The next prime is 503927. The reversal of 503920 is 29305.

It is a tau number, because it is divible by the number of its divisors (20).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503927) 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, 3070 + ... + 3229.

It is an arithmetic number, because the mean of its divisors is an integer number (58590).

2⁵⁰³⁹²⁰ is an apocalyptic number.

It is an amenable number.

503920 is an abundant number, since it is smaller than the sum of its proper divisors (667880).

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

503920 is a wasteful number, since it uses less digits than its factorization.

503920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6312 (or 6306 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 503920 is about 709.8732281189. The cubic root of 503920 is about 79.5769332926.

The spelling of 503920 in words is "five hundred three thousand, nine hundred twenty".