8565480 has 256 divisors, whose sum is σ = 35942400. Its totient is φ = 1762560.

The previous prime is 8565461. The next prime is 8565509. The reversal of 8565480 is 845658.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 83109 + ... + 83211.

It is an arithmetic number, because the mean of its divisors is an integer number (140400).

Almost surely, 2^8565480 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 8565480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17971200).

8565480 is an abundant number, since it is smaller than the sum of its proper divisors (27376920).

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

8565480 is a wasteful number, since it uses less digits than its factorization.

8565480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 8565480 is about 2926.6841305477. The cubic root of 8565480 is about 204.6054676431.

It can be divided in two parts, 8565 and 480, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 8565480 in words is "eight million, five hundred sixty-five thousand, four hundred eighty".