2687056 has 20 divisors (see below), whose sum is σ = 5480800. Its totient is φ = 1272672.

The previous prime is 2687039. The next prime is 2687059. The reversal of 2687056 is 6507862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2687059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4116 + ... + 4723.

It is an arithmetic number, because the mean of its divisors is an integer number (274040).

2^2687056 is an apocalyptic number.

It is an amenable number.

2687056 is an abundant number, since it is smaller than the sum of its proper divisors (2793744).

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

2687056 is a wasteful number, since it uses less digits than its factorization.

2687056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8866 (or 8860 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 2687056 is about 1639.2242067515. The cubic root of 2687056 is about 139.0247872570.

The spelling of 2687056 in words is "two million, six hundred eighty-seven thousand, fifty-six".