2783056 has 30 divisors (see below), whose sum is σ = 5602506. Its totient is φ = 1339200.

The previous prime is 2783047. The next prime is 2783107. The reversal of 2783056 is 6503872.

2783056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1537600 + 1245456 = 1240^2 + 1116^2 .

It is a Harshad number since it is a multiple of its sum of digits (31).

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

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 in 5 ways as a sum of consecutive naturals, for example, 15286 + ... + 15466.

2^2783056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2783056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2801253).

2783056 is an abundant number, since it is smaller than the sum of its proper divisors (2819450).

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

2783056 is a wasteful number, since it uses less digits than its factorization.

2783056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 2783056 is about 1668.2493818371. The cubic root of 2783056 is about 140.6610910493.

The spelling of 2783056 in words is "two million, seven hundred eighty-three thousand, fifty-six".