503428716 has 96 divisors (see below), whose sum is σ = 1539829760. Its totient is φ = 139190400.

The previous prime is 503428711. The next prime is 503428733. The reversal of 503428716 is 617824305.

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 (503428711) 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, 12696 + ... + 34176.

Almost surely, 2^503428716 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 503428716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (769914880).

503428716 is an abundant number, since it is smaller than the sum of its proper divisors (1036401044).

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

503428716 is a wasteful number, since it uses less digits than its factorization.

503428716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21532 (or 21524 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 503428716 is about 22437.2172071315. The cubic root of 503428716 is about 795.5106438095.

The spelling of 503428716 in words is "five hundred three million, four hundred twenty-eight thousand, seven hundred sixteen".