2081896 has 16 divisors (see below), whose sum is σ = 3926340. Its totient is φ = 1034880.

The previous prime is 2081873. The next prime is 2081897. The reversal of 2081896 is 6981802.

It can be written as a sum of positive squares in 2 ways, for example, as 1464100 + 617796 = 1210^2 + 786^2 .

It is not an unprimeable number, because it can be changed into a prime (2081897) 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 3 ways as a sum of consecutive naturals, for example, 916 + ... + 2236.

2^2081896 is an apocalyptic number.

It is an amenable number.

2081896 is a deficient number, since it is larger than the sum of its proper divisors (1844444).

2081896 is a wasteful number, since it uses less digits than its factorization.

2081896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524 (or 1520 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 2081896 is about 1442.8776801933. The cubic root of 2081896 is about 127.6888601859.

The spelling of 2081896 in words is "two million, eighty-one thousand, eight hundred ninety-six".