2881056 has 24 divisors (see below), whose sum is σ = 7563024. Its totient is φ = 960320.

The previous prime is 2881031. The next prime is 2881057. The reversal of 2881056 is 6501882.

2881056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

2881056 is a modest number, since divided by 1056 gives 288 as remainder.

It is not an unprimeable number, because it can be changed into a prime (2881057) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 14910 + ... + 15101.

It is an arithmetic number, because the mean of its divisors is an integer number (315126).

2^2881056 is an apocalyptic number.

It is an amenable number.

2881056 is an abundant number, since it is smaller than the sum of its proper divisors (4681968).

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

2881056 is a wasteful number, since it uses less digits than its factorization.

2881056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30024 (or 30016 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 2881056 is about 1697.3673733167. The cubic root of 2881056 is about 142.2931193108.

The spelling of 2881056 in words is "two million, eight hundred eighty-one thousand, fifty-six".