2803056 has 40 divisors (see below), whose sum is σ = 7559040. Its totient is φ = 893376.

The previous prime is 2803037. The next prime is 2803057. The reversal of 2803056 is 6503082.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2803057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166 + ... + 2373.

It is an arithmetic number, because the mean of its divisors is an integer number (188976).

2^2803056 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 2803056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3779520).

2803056 is an abundant number, since it is smaller than the sum of its proper divisors (4755984).

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

2803056 is a wasteful number, since it uses less digits than its factorization.

2803056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2573 (or 2567 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2803056 is about 1674.2329587008. The cubic root of 2803056 is about 140.9972334853.

The spelling of 2803056 in words is "two million, eight hundred three thousand, fifty-six".