503243286 has 64 divisors (see below), whose sum is σ = 1241587200. Its totient is φ = 132420096.

The previous prime is 503243281. The next prime is 503243309. The reversal of 503243286 is 682342305.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503243281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 337230 + ... + 338718.

It is an arithmetic number, because the mean of its divisors is an integer number (19399800).

Almost surely, 2^503243286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503243286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (620793600).

503243286 is an abundant number, since it is smaller than the sum of its proper divisors (738343914).

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

503243286 is a wasteful number, since it uses less digits than its factorization.

503243286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 503243286 is about 22433.0846296268. The cubic root of 503243286 is about 795.4129605634.

The spelling of 503243286 in words is "five hundred three million, two hundred forty-three thousand, two hundred eighty-six".