2728803 has 16 divisors (see below), whose sum is σ = 4536576. Its totient is φ = 1417440.

The previous prime is 2728801. The next prime is 2728807. The reversal of 2728803 is 3088272.

2728803 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 2728803 - 2¹ = 2728801 is a prime.

2728803 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2728801) 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 15 ways as a sum of consecutive naturals, for example, 5676 + ... + 6137.

It is an arithmetic number, because the mean of its divisors is an integer number (283536).

2^2728803 is an apocalyptic number.

2728803 is a deficient number, since it is larger than the sum of its proper divisors (1807773).

2728803 is a wasteful number, since it uses less digits than its factorization.

2728803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11834.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 2728803 is about 1651.9088957930. The cubic root of 2728803 is about 139.7410690196.

The spelling of 2728803 in words is "two million, seven hundred twenty-eight thousand, eight hundred three".