2788544 has 56 divisors (see below), whose sum is σ = 6419088. Its totient is φ = 1187840.

The previous prime is 2788531. The next prime is 2788549. The reversal of 2788544 is 4458872.

It is a junction number, because it is equal to n+sod(n) for n = 2788498 and 2788507.

It is not an unprimeable number, because it can be changed into a prime (2788549) 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, 11852 + ... + 12084.

2^2788544 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 2788544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3209544).

2788544 is an abundant number, since it is smaller than the sum of its proper divisors (3630544).

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

2788544 is a wasteful number, since it uses less digits than its factorization.

2788544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 263 counting only the distinct ones).

The product of its digits is 71680, while the sum is 38.

The square root of 2788544 is about 1669.8934097720. The cubic root of 2788544 is about 140.7534884250.

The spelling of 2788544 in words is "two million, seven hundred eighty-eight thousand, five hundred forty-four".