2871836 has 12 divisors (see below), whose sum is σ = 5482680. Its totient is φ = 1305360.

The previous prime is 2871833. The next prime is 2871853. The reversal of 2871836 is 6381782.

2871836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2871796 and 2871805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2871833) 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, 32591 + ... + 32678.

It is an arithmetic number, because the mean of its divisors is an integer number (456890).

2^2871836 is an apocalyptic number.

It is an amenable number.

2871836 is a deficient number, since it is larger than the sum of its proper divisors (2610844).

2871836 is a wasteful number, since it uses less digits than its factorization.

2871836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65284 (or 65282 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 2871836 is about 1694.6492262412. The cubic root of 2871836 is about 142.1411675551.

The spelling of 2871836 in words is "two million, eight hundred seventy-one thousand, eight hundred thirty-six".