2728716 has 12 divisors (see below), whose sum is σ = 6367032. Its totient is φ = 909568.

The previous prime is 2728711. The next prime is 2728741. The reversal of 2728716 is 6178272.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2728711) 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, 113685 + ... + 113708.

It is an arithmetic number, because the mean of its divisors is an integer number (530586).

2^2728716 is an apocalyptic number.

It is an amenable number.

2728716 is an abundant number, since it is smaller than the sum of its proper divisors (3638316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2728716 is a wasteful number, since it uses less digits than its factorization.

2728716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227400 (or 227398 counting only the distinct ones).

The product of its digits is 9408, while the sum is 33.

The square root of 2728716 is about 1651.8825624117. The cubic root of 2728716 is about 139.7395839238.

The spelling of 2728716 in words is "two million, seven hundred twenty-eight thousand, seven hundred sixteen".