8064256 has 54 divisors (see below), whose sum is σ = 17256470. Its totient is φ = 3760128.

The previous prime is 8064223. The next prime is 8064257. The reversal of 8064256 is 6524608.

It can be written as a sum of positive squares in 3 ways, for example, as 4064256 + 4000000 = 2016^2 + 2000^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8064257) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73930 + ... + 74038.

Almost surely, 2^8064256 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 8064256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8628235).

8064256 is an abundant number, since it is smaller than the sum of its proper divisors (9192214).

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

8064256 is a wasteful number, since it uses less digits than its factorization.

8064256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 8064256 is about 2839.7633704237. The cubic root of 8064256 is about 200.5340394070.

The spelling of 8064256 in words is "eight million, sixty-four thousand, two hundred fifty-six".