2041861 has 8 divisors (see below), whose sum is σ = 2129400. Its totient is φ = 1955520.

The previous prime is 2041859. The next prime is 2041867. The reversal of 2041861 is 1681402.

It can be written as a sum of positive squares in 4 ways, for example, as 11236 + 2030625 = 106^2 + 1425^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2041861 - 2¹ = 2041859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2041867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5055 + ... + 5443.

It is an arithmetic number, because the mean of its divisors is an integer number (266175).

2^2041861 is an apocalyptic number.

It is an amenable number.

2041861 is a deficient number, since it is larger than the sum of its proper divisors (87539).

2041861 is a wasteful number, since it uses less digits than its factorization.

2041861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 2041861 is about 1428.9370175064. The cubic root of 2041861 is about 126.8650684227.

The spelling of 2041861 in words is "two million, forty-one thousand, eight hundred sixty-one".