500423504 has 80 divisors (see below), whose sum is σ = 1140284160. Its totient is φ = 208327680.

The previous prime is 500423479. The next prime is 500423531. The reversal of 500423504 is 405324005.

It is a self number, because there is not a number n which added to its sum of digits gives 500423504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607637 + ... + 608459.

It is an arithmetic number, because the mean of its divisors is an integer number (14253552).

Almost surely, 2^500423504 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 500423504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (570142080).

500423504 is an abundant number, since it is smaller than the sum of its proper divisors (639860656).

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

500423504 is a wasteful number, since it uses less digits than its factorization.

500423504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988 (or 982 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 500423504 is about 22370.1476079171. The cubic root of 500423504 is about 793.9245529768.

Adding to 500423504 its reverse (405324005), we get a palindrome (905747509).

The spelling of 500423504 in words is "five hundred million, four hundred twenty-three thousand, five hundred four".