2766256 has 20 divisors (see below), whose sum is σ = 5593392. Its totient is φ = 1322816.

The previous prime is 2766251. The next prime is 2766259. The reversal of 2766256 is 6526672.

It is a happy number.

It is a d-powerful number, because it can be written as 2⁸ + 7⁷ + 6² + 6² + 2¹⁸ + 5⁴ + 6⁸ .

It is not an unprimeable number, because it can be changed into a prime (2766251) 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, 3391 + ... + 4126.

2^2766256 is an apocalyptic number.

It is an amenable number.

2766256 is an abundant number, since it is smaller than the sum of its proper divisors (2827136).

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

2766256 is a wasteful number, since it uses less digits than its factorization.

2766256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7548 (or 7542 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 2766256 is about 1663.2065415937. The cubic root of 2766256 is about 140.3774846675.

The spelling of 2766256 in words is "two million, seven hundred sixty-six thousand, two hundred fifty-six".