2861841 has 16 divisors (see below), whose sum is σ = 3991680. Its totient is φ = 1822080.

The previous prime is 2861809. The next prime is 2861849. The reversal of 2861841 is 1481682.

2861841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2861841 - 2⁵ = 2861809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2861799 and 2861808.

It is not an unprimeable number, because it can be changed into a prime (2861849) 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 15 ways as a sum of consecutive naturals, for example, 6300 + ... + 6738.

It is an arithmetic number, because the mean of its divisors is an integer number (249480).

2^2861841 is an apocalyptic number.

It is an amenable number.

2861841 is a deficient number, since it is larger than the sum of its proper divisors (1129839).

2861841 is a wasteful number, since it uses less digits than its factorization.

2861841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536.

The product of its digits is 3072, while the sum is 30.

The square root of 2861841 is about 1691.6976680246. The cubic root of 2861841 is about 141.9760754509.

The spelling of 2861841 in words is "two million, eight hundred sixty-one thousand, eight hundred forty-one".