503808912 has 120 divisors (see below), whose sum is σ = 1451315840. Its totient is φ = 163088640.

The previous prime is 503808911. The next prime is 503808917. The reversal of 503808912 is 219808305.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (503808911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 761862 + ... + 762522.

Almost surely, 2^503808912 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 503808912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (725657920).

503808912 is an abundant number, since it is smaller than the sum of its proper divisors (947506928).

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

503808912 is a wasteful number, since it uses less digits than its factorization.

503808912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821 (or 812 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 503808912 is about 22445.6880491555. The cubic root of 503808912 is about 795.7108534579.

The spelling of 503808912 in words is "five hundred three million, eight hundred eight thousand, nine hundred twelve".