2728799 has 6 divisors (see below), whose sum is σ = 2880360. Its totient is φ = 2584836.

The previous prime is 2728777. The next prime is 2728801. The reversal of 2728799 is 9978272.

It is not a de Polignac number, because 2728799 - 2⁸ = 2728543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3419 + ... + 4140.

It is an arithmetic number, because the mean of its divisors is an integer number (480060).

2^2728799 is an apocalyptic number.

2728799 is a deficient number, since it is larger than the sum of its proper divisors (151561).

2728799 is an equidigital number, since it uses as much as digits as its factorization.

2728799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7597 (or 7578 counting only the distinct ones).

The product of its digits is 127008, while the sum is 44.

The square root of 2728799 is about 1651.9076850720. The cubic root of 2728799 is about 139.7410007400.

The spelling of 2728799 in words is "two million, seven hundred twenty-eight thousand, seven hundred ninety-nine".