503489172 has 12 divisors (see below), whose sum is σ = 1174808096. Its totient is φ = 167829720.

The previous prime is 503489171. The next prime is 503489191. The reversal of 503489172 is 271984305.

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

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 503489172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503489171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20978704 + ... + 20978727.

Almost surely, 2^503489172 is an apocalyptic number.

It is an amenable number.

503489172 is an abundant number, since it is smaller than the sum of its proper divisors (671318924).

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

503489172 is a wasteful number, since it uses less digits than its factorization.

503489172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41957438 (or 41957436 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 503489172 is about 22438.5643925809. The cubic root of 503489172 is about 795.5424864286.

The spelling of 503489172 in words is "five hundred three million, four hundred eighty-nine thousand, one hundred seventy-two".