518028 has 36 divisors (see below), whose sum is σ = 1407672. Its totient is φ = 147840.

The previous prime is 518017. The next prime is 518047. The reversal of 518028 is 820815.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 517989 and 518007.

It is an unprimeable number.

518028 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148 + ... + 1028.

It is an arithmetic number, because the mean of its divisors is an integer number (39102).

2⁵¹⁸⁰²⁸ 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 518028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (703836).

518028 is an abundant number, since it is smaller than the sum of its proper divisors (889644).

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

518028 is a wasteful number, since it uses less digits than its factorization.

518028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902 (or 893 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 518028 is about 719.7416203055. The cubic root of 518028 is about 80.3127342067.

The spelling of 518028 in words is "five hundred eighteen thousand, twenty-eight".