504219528 has 96 divisors (see below), whose sum is σ = 1399858200. Its totient is φ = 163897344.

The previous prime is 504219523. The next prime is 504219539. The reversal of 504219528 is 825912405.

It can be written as a sum of positive squares in 4 ways, for example, as 450373284 + 53846244 = 21222^2 + 7338^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 504219492 and 504219501.

It is not an unprimeable number, because it can be changed into a prime (504219523) 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, 873576 + ... + 874152.

Almost surely, 2^504219528 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 504219528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (699929100).

504219528 is an abundant number, since it is smaller than the sum of its proper divisors (895638672).

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

504219528 is a wasteful number, since it uses less digits than its factorization.

504219528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 504219528 is about 22454.8330655118. The cubic root of 504219528 is about 795.9269690496.

The spelling of 504219528 in words is "five hundred four million, two hundred nineteen thousand, five hundred twenty-eight".