503086536 has 96 divisors (see below), whose sum is σ = 1389273600. Its totient is φ = 164436480.

The previous prime is 503086517. The next prime is 503086603. The reversal of 503086536 is 635680305.

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

It is a self number, because there is not a number n which added to its sum of digits gives 503086536.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1370625 + ... + 1370991.

It is an arithmetic number, because the mean of its divisors is an integer number (14471600).

Almost surely, 2^503086536 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 503086536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (694636800).

503086536 is an abundant number, since it is smaller than the sum of its proper divisors (886187064).

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

503086536 is a wasteful number, since it uses less digits than its factorization.

503086536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699 (or 692 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 503086536 is about 22429.5906338034. The cubic root of 503086536 is about 795.3303670263.

The spelling of 503086536 in words is "five hundred three million, eighty-six thousand, five hundred thirty-six".