2806256 has 10 divisors (see below), whose sum is σ = 5437152. Its totient is φ = 1403120.

The previous prime is 2806249. The next prime is 2806261. The reversal of 2806256 is 6526082.

2806256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87680 + ... + 87711.

2^2806256 is an apocalyptic number.

It is an amenable number.

2806256 is a deficient number, since it is larger than the sum of its proper divisors (2630896).

2806256 is a wasteful number, since it uses less digits than its factorization.

2806256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175399 (or 175393 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 2806256 is about 1675.1883476195. The cubic root of 2806256 is about 141.0508677522.

The spelling of 2806256 in words is "two million, eight hundred six thousand, two hundred fifty-six".