2788984 has 32 divisors (see below), whose sum is σ = 5851440. Its totient is φ = 1235200.

The previous prime is 2788979. The next prime is 2788987. The reversal of 2788984 is 4898872.

2788984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2788987) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3222 + ... + 3994.

2^2788984 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 2788984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2925720).

2788984 is an abundant number, since it is smaller than the sum of its proper divisors (3062456).

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

2788984 is a wasteful number, since it uses less digits than its factorization.

2788984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831 (or 827 counting only the distinct ones).

The product of its digits is 258048, while the sum is 46.

The square root of 2788984 is about 1670.0251495112. The cubic root of 2788984 is about 140.7608911267.

The spelling of 2788984 in words is "two million, seven hundred eighty-eight thousand, nine hundred eighty-four".