2728837 has 16 divisors (see below), whose sum is σ = 3064320. Its totient is φ = 2419200.

The previous prime is 2728819. The next prime is 2728841. The reversal of 2728837 is 7388272.

It is a cyclic number.

It is not a de Polignac number, because 2728837 - 2¹⁵ = 2696069 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2728796 and 2728805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24093 + ... + 24205.

It is an arithmetic number, because the mean of its divisors is an integer number (191520).

2^2728837 is an apocalyptic number.

It is an amenable number.

2728837 is a deficient number, since it is larger than the sum of its proper divisors (335483).

2728837 is a wasteful number, since it uses less digits than its factorization.

2728837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204.

The product of its digits is 37632, while the sum is 37.

The square root of 2728837 is about 1651.9191868854. The cubic root of 2728837 is about 139.7416493933.

The spelling of 2728837 in words is "two million, seven hundred twenty-eight thousand, eight hundred thirty-seven".