2788842 has 32 divisors (see below), whose sum is σ = 6653952. Its totient is φ = 761904.

The previous prime is 2788831. The next prime is 2788889. The reversal of 2788842 is 2488872.

It is a self number, because there is not a number n which added to its sum of digits gives 2788842.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478 + ... + 2409.

It is an arithmetic number, because the mean of its divisors is an integer number (207936).

2^2788842 is an apocalyptic number.

2788842 is an abundant number, since it is smaller than the sum of its proper divisors (3865110).

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

2788842 is a wasteful number, since it uses less digits than its factorization.

2788842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2922.

The product of its digits is 57344, while the sum is 39.

The square root of 2788842 is about 1669.9826346403. The cubic root of 2788842 is about 140.7585021581.

The spelling of 2788842 in words is "two million, seven hundred eighty-eight thousand, eight hundred forty-two".