2081824 has 24 divisors (see below), whose sum is σ = 4164048. Its totient is φ = 1024320.

The previous prime is 2081813. The next prime is 2081831. The reversal of 2081824 is 4281802.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1659 + ... + 2629.

It is an arithmetic number, because the mean of its divisors is an integer number (173502).

2^2081824 is an apocalyptic number.

It is an amenable number.

2081824 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

2081824 is an equidigital number, since it uses as much as digits as its factorization.

2081824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048 (or 1040 counting only the distinct ones).

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

The square root of 2081824 is about 1442.8527298377. The cubic root of 2081824 is about 127.6873881777.

The spelling of 2081824 in words is "two million, eighty-one thousand, eight hundred twenty-four".