2789056 has 14 divisors (see below), whose sum is σ = 5534660. Its totient is φ = 1394496.

The previous prime is 2789011. The next prime is 2789057. The reversal of 2789056 is 6509872.

It is a super-2 number, since 2×2789056² = 15557666742272, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2789057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21726 + ... + 21853.

2^2789056 is an apocalyptic number.

It is an amenable number.

2789056 is a deficient number, since it is larger than the sum of its proper divisors (2745604).

2789056 is an equidigital number, since it uses as much as digits as its factorization.

2789056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43591 (or 43581 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 2789056 is about 1670.0467059337. The cubic root of 2789056 is about 140.7621024037.

The spelling of 2789056 in words is "two million, seven hundred eighty-nine thousand, fifty-six".