2728568 has 16 divisors (see below), whose sum is σ = 5417280. Its totient is φ = 1283968.

The previous prime is 2728567. The next prime is 2728577. The reversal of 2728568 is 8658272.

It is a d-powerful number, because it can be written as 2¹⁸ + 7³ + 2¹⁹ + 8 + 5² + 6⁸ + 8⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728567) 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, 9896 + ... + 10167.

It is an arithmetic number, because the mean of its divisors is an integer number (338580).

2^2728568 is an apocalyptic number.

It is an amenable number.

2728568 is a deficient number, since it is larger than the sum of its proper divisors (2688712).

2728568 is a wasteful number, since it uses less digits than its factorization.

2728568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20086 (or 20082 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 2728568 is about 1651.8377644309. The cubic root of 2728568 is about 139.7370574812.

The spelling of 2728568 in words is "two million, seven hundred twenty-eight thousand, five hundred sixty-eight".