2788304 has 20 divisors (see below), whose sum is σ = 5433060. Its totient is φ = 1386240.

The previous prime is 2788301. The next prime is 2788309. The reversal of 2788304 is 4038872.

It can be written as a sum of positive squares in 2 ways, for example, as 1098304 + 1690000 = 1048^2 + 1300^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2788301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3284 + ... + 4044.

It is an arithmetic number, because the mean of its divisors is an integer number (271653).

2^2788304 is an apocalyptic number.

It is an amenable number.

2788304 is a deficient number, since it is larger than the sum of its proper divisors (2644756).

2788304 is a wasteful number, since it uses less digits than its factorization.

2788304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998 (or 992 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 2788304 is about 1669.8215473517. The cubic root of 2788304 is about 140.7494502596.

The spelling of 2788304 in words is "two million, seven hundred eighty-eight thousand, three hundred four".