8513856 has 112 divisors (see below), whose sum is σ = 27025600. Its totient is φ = 2612736.

The previous prime is 8513839. The next prime is 8513861. The reversal of 8513856 is 6583158.

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

It is a self number, because there is not a number n which added to its sum of digits gives 8513856.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22275 + ... + 22653.

It is an arithmetic number, because the mean of its divisors is an integer number (241300).

Almost surely, 2^8513856 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 8513856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13512800).

8513856 is an abundant number, since it is smaller than the sum of its proper divisors (18511744).

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

8513856 is a wasteful number, since it uses less digits than its factorization.

8513856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 397 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 8513856 is about 2917.8512642011. The cubic root of 8513856 is about 204.1935878610.

The spelling of 8513856 in words is "eight million, five hundred thirteen thousand, eight hundred fifty-six".