8519980 has 48 divisors (see below), whose sum is σ = 21530880. Its totient is φ = 2766528.

The previous prime is 8519971. The next prime is 8519983. The reversal of 8519980 is 899158.

8519980 = T₄₃₅ + T₄₃₆ + ... + T₅₁₀.

It is not an unprimeable number, because it can be changed into a prime (8519983) 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, 1059 + ... + 4261.

It is an arithmetic number, because the mean of its divisors is an integer number (448560).

Almost surely, 2^8519980 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 8519980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10765440).

8519980 is an abundant number, since it is smaller than the sum of its proper divisors (13010900).

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

8519980 is a wasteful number, since it uses less digits than its factorization.

8519980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3238 (or 3236 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 40.

The square root of 8519980 is about 2918.9004779197. The cubic root of 8519980 is about 204.2425348101.

The spelling of 8519980 in words is "eight million, five hundred nineteen thousand, nine hundred eighty".