8519680 has 72 divisors (see below), whose sum is σ = 22020012. Its totient is φ = 3145728.

The previous prime is 8519647. The next prime is 8519681. The reversal of 8519680 is 869158.

It can be written as a sum of positive squares in 2 ways, for example, as 7929856 + 589824 = 2816^2 + 768^2 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (8519681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (2) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655354 + ... + 655366.

Almost surely, 2^8519680 is an apocalyptic number.

8519680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8519680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11010006).

8519680 is an abundant number, since it is smaller than the sum of its proper divisors (13500332).

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

8519680 is an frugal number, since it uses more digits than its factorization.

8519680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52 (or 20 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 8519680 is about 2918.8490882538. The cubic root of 8519680 is about 204.2401375635.

The spelling of 8519680 in words is "eight million, five hundred nineteen thousand, six hundred eighty".