8660256 has 96 divisors (see below), whose sum is σ = 25401600. Its totient is φ = 2561280.

The previous prime is 8660233. The next prime is 8660263. The reversal of 8660256 is 6520668.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 62235 + ... + 62373.

It is an arithmetic number, because the mean of its divisors is an integer number (264600).

Almost surely, 2^8660256 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 8660256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12700800).

8660256 is an abundant number, since it is smaller than the sum of its proper divisors (16741344).

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

8660256 is a wasteful number, since it uses less digits than its factorization.

8660256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 8660256 is about 2942.8312897616. The cubic root of 8660256 is about 205.3573461919.

The spelling of 8660256 in words is "eight million, six hundred sixty thousand, two hundred fifty-six".