6871646 has 16 divisors (see below), whose sum is σ = 10730880. Its totient is φ = 3296640.

The previous prime is 6871639. The next prime is 6871651. The reversal of 6871646 is 6461786.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8090 + ... + 8898.

It is an arithmetic number, because the mean of its divisors is an integer number (670680).

Almost surely, 2^6871646 is an apocalyptic number.

6871646 is a deficient number, since it is larger than the sum of its proper divisors (3859234).

6871646 is a wasteful number, since it uses less digits than its factorization.

6871646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979.

The product of its digits is 48384, while the sum is 38.

The square root of 6871646 is about 2621.3824596956. The cubic root of 6871646 is about 190.1166965476.

The spelling of 6871646 in words is "six million, eight hundred seventy-one thousand, six hundred forty-six".