2728913 has 12 divisors (see below), whose sum is σ = 3160080. Its totient is φ = 2348280.

The previous prime is 2728907. The next prime is 2728931. The reversal of 2728913 is 3198272.

2728913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2728913 - 2⁸ = 2728657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2728913.

It is not an unprimeable number, because it can be changed into a prime (2728933) 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 11 ways as a sum of consecutive naturals, for example, 1706 + ... + 2892.

It is an arithmetic number, because the mean of its divisors is an integer number (263340).

2^2728913 is an apocalyptic number.

It is an amenable number.

2728913 is a deficient number, since it is larger than the sum of its proper divisors (431167).

2728913 is a wasteful number, since it uses less digits than its factorization.

2728913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228 (or 1217 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 2728913 is about 1651.9421902718. The cubic root of 2728913 is about 139.7429466819.

The spelling of 2728913 in words is "two million, seven hundred twenty-eight thousand, nine hundred thirteen".