2728026 has 48 divisors (see below), whose sum is σ = 7058880. Its totient is φ = 778680.

The previous prime is 2728013. The next prime is 2728027. The reversal of 2728026 is 6208272.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2728027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2131 + ... + 3161.

It is an arithmetic number, because the mean of its divisors is an integer number (147060).

2^2728026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2728026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3529440).

2728026 is an abundant number, since it is smaller than the sum of its proper divisors (4330854).

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

2728026 is a wasteful number, since it uses less digits than its factorization.

2728026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 2728026 is about 1651.6736965878. The cubic root of 2728026 is about 139.7278044591.

The spelling of 2728026 in words is "two million, seven hundred twenty-eight thousand, twenty-six".