3568256 has 32 divisors (see below), whose sum is σ = 7240980. Its totient is φ = 1751040.

The previous prime is 3568241. The next prime is 3568259. The reversal of 3568256 is 6528653.

It can be written as a sum of positive squares in 2 ways, for example, as 3534400 + 33856 = 1880^2 + 184^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (3568259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7580 + ... + 8036.

Almost surely, 2^3568256 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 3568256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3620490).

3568256 is an abundant number, since it is smaller than the sum of its proper divisors (3672724).

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

3568256 is an equidigital number, since it uses as much as digits as its factorization.

3568256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532 (or 520 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 3568256 is about 1888.9827950513. The cubic root of 3568256 is about 152.8100794681.

The spelling of 3568256 in words is "three million, five hundred sixty-eight thousand, two hundred fifty-six".