8518840 has 64 divisors (see below), whose sum is σ = 22032000. Its totient is φ = 2931840.

The previous prime is 8518801. The next prime is 8518841. The reversal of 8518840 is 488158.

8518840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8518796 and 8518805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8518841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7851 + ... + 8869.

It is an arithmetic number, because the mean of its divisors is an integer number (344250).

Almost surely, 2^8518840 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 8518840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11016000).

8518840 is an abundant number, since it is smaller than the sum of its proper divisors (13513160).

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

8518840 is a wasteful number, since it uses less digits than its factorization.

8518840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060 (or 1056 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 34.

The square root of 8518840 is about 2918.7051923756. The cubic root of 8518840 is about 204.2334249736.

The spelling of 8518840 in words is "eight million, five hundred eighteen thousand, eight hundred forty".