2871941 has 12 divisors (see below), whose sum is σ = 3085740. Its totient is φ = 2671680.

The previous prime is 2871937. The next prime is 2871959. The reversal of 2871941 is 1491782.

2871941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 279841 + 2592100 = 529^2 + 1610^2 .

It is not a de Polignac number, because 2871941 - 2² = 2871937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2871898 and 2871907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2871901) 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 11 ways as a sum of consecutive naturals, for example, 32225 + ... + 32313.

It is an arithmetic number, because the mean of its divisors is an integer number (257145).

2^2871941 is an apocalyptic number.

It is an amenable number.

2871941 is a deficient number, since it is larger than the sum of its proper divisors (213799).

2871941 is an equidigital number, since it uses as much as digits as its factorization.

2871941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 173 counting only the distinct ones).

The product of its digits is 4032, while the sum is 32.

The square root of 2871941 is about 1694.6802058206. The cubic root of 2871941 is about 142.1428998546.

The spelling of 2871941 in words is "two million, eight hundred seventy-one thousand, nine hundred forty-one".