2821326 has 16 divisors (see below), whose sum is σ = 5660928. Its totient is φ = 937400.

The previous prime is 2821319. The next prime is 2821331. The reversal of 2821326 is 6231282.

2821326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2821296 and 2821305.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2041 + ... + 3131.

It is an arithmetic number, because the mean of its divisors is an integer number (353808).

2^2821326 is an apocalyptic number.

2821326 is an abundant number, since it is smaller than the sum of its proper divisors (2839602).

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

2821326 is a wasteful number, since it uses less digits than its factorization.

2821326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527.

The product of its digits is 1152, while the sum is 24.

The square root of 2821326 is about 1679.6803267289. The cubic root of 2821326 is about 141.3029049739.

The spelling of 2821326 in words is "two million, eight hundred twenty-one thousand, three hundred twenty-six".