8428560 has 160 divisors (see below), whose sum is σ = 31069440. Its totient is φ = 1849344.

The previous prime is 8428547. The next prime is 8428591. The reversal of 8428560 is 658248.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48634 + ... + 48806.

It is an arithmetic number, because the mean of its divisors is an integer number (194184).

Almost surely, 2^8428560 is an apocalyptic number.

8428560 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 8428560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15534720).

8428560 is an abundant number, since it is smaller than the sum of its proper divisors (22640880).

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

8428560 is a wasteful number, since it uses less digits than its factorization.

8428560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 8428560 is about 2903.1982364282. The cubic root of 8428560 is about 203.5093939283.

The spelling of 8428560 in words is "eight million, four hundred twenty-eight thousand, five hundred sixty".