2821084 has 24 divisors (see below), whose sum is σ = 5751648. Its totient is φ = 1185600.

The previous prime is 2821079. The next prime is 2821097. The reversal of 2821084 is 4801282.

2821084 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

2821084 is strictly pandigital in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534 + ... + 2434.

It is an arithmetic number, because the mean of its divisors is an integer number (239652).

2^2821084 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2821084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2875824).

2821084 is an abundant number, since it is smaller than the sum of its proper divisors (2930564).

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

2821084 is a wasteful number, since it uses less digits than its factorization.

2821084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965 (or 1963 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 2821084 is about 1679.6082876671. The cubic root of 2821084 is about 141.2988647601.

It can be divided in two parts, 28 and 21084, that added together give a palindrome (21112).

The spelling of 2821084 in words is "two million, eight hundred twenty-one thousand, eighty-four".