2788244 has 12 divisors (see below), whose sum is σ = 5091744. Its totient is φ = 1333464.

The previous prime is 2788217. The next prime is 2788273. The reversal of 2788244 is 4428872.

2788244 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15062 + ... + 15245.

It is an arithmetic number, because the mean of its divisors is an integer number (424312).

2^2788244 is an apocalyptic number.

It is an amenable number.

2788244 is a deficient number, since it is larger than the sum of its proper divisors (2303500).

2788244 is a wasteful number, since it uses less digits than its factorization.

2788244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30334 (or 30332 counting only the distinct ones).

The product of its digits is 28672, while the sum is 35.

The square root of 2788244 is about 1669.8035812634. The cubic root of 2788244 is about 140.7484406820.

Subtracting from 2788244 its product of digits (28672), we obtain a palindrome (2759572).

The spelling of 2788244 in words is "two million, seven hundred eighty-eight thousand, two hundred forty-four".