2788328 has 16 divisors (see below), whose sum is σ = 5356260. Its totient is φ = 1360000.

The previous prime is 2788327. The next prime is 2788333. The reversal of 2788328 is 8238872.

2788328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2079364 + 708964 = 1442^2 + 842^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2788291 and 2788300.

It is not an unprimeable number, because it can be changed into a prime (2788327) 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 3 ways as a sum of consecutive naturals, for example, 3923 + ... + 4578.

2^2788328 is an apocalyptic number.

It is an amenable number.

2788328 is a deficient number, since it is larger than the sum of its proper divisors (2567932).

2788328 is a wasteful number, since it uses less digits than its factorization.

2788328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8548 (or 8544 counting only the distinct ones).

The product of its digits is 43008, while the sum is 38.

The square root of 2788328 is about 1669.8287337329. The cubic root of 2788328 is about 140.7498540865.

The spelling of 2788328 in words is "two million, seven hundred eighty-eight thousand, three hundred twenty-eight".