2081841 has 8 divisors (see below), whose sum is σ = 2784960. Its totient is φ = 1383312.

The previous prime is 2081831. The next prime is 2081843. The reversal of 2081841 is 1481802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2081841 - 2⁵ = 2081809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2081843) 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 7 ways as a sum of consecutive naturals, for example, 111 + ... + 2043.

It is an arithmetic number, because the mean of its divisors is an integer number (348120).

2^2081841 is an apocalyptic number.

It is an amenable number.

2081841 is a deficient number, since it is larger than the sum of its proper divisors (703119).

2081841 is a wasteful number, since it uses less digits than its factorization.

2081841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 2081841 is about 1442.8586209328. The cubic root of 2081841 is about 127.6877357382.

The spelling of 2081841 in words is "two million, eighty-one thousand, eight hundred forty-one".