2871604 has 12 divisors (see below), whose sum is σ = 5037984. Its totient is φ = 1432184.

The previous prime is 2871587. The next prime is 2871611. The reversal of 2871604 is 4061782.

2871604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2871604² = 16492219065632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 1737 + ... + 2959.

It is an arithmetic number, because the mean of its divisors is an integer number (419832).

2^2871604 is an apocalyptic number.

It is an amenable number.

2871604 is a deficient number, since it is larger than the sum of its proper divisors (2166380).

2871604 is a wasteful number, since it uses less digits than its factorization.

2871604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814 (or 1812 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 2871604 is about 1694.5807741149. The cubic root of 2871604 is about 142.1373398482.

It can be divided in two parts, 287 and 1604, that added together give a triangular number (1891 = T₆₁).

The spelling of 2871604 in words is "two million, eight hundred seventy-one thousand, six hundred four".