2686844 has 12 divisors (see below), whose sum is σ = 4737264. Its totient is φ = 1333344.

The previous prime is 2686841. The next prime is 2686861. The reversal of 2686844 is 4486862.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2686798 and 2686807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1904 + ... + 2999.

It is an arithmetic number, because the mean of its divisors is an integer number (394772).

2^2686844 is an apocalyptic number.

It is an amenable number.

2686844 is a deficient number, since it is larger than the sum of its proper divisors (2050420).

2686844 is a wasteful number, since it uses less digits than its factorization.

2686844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5044 (or 5042 counting only the distinct ones).

The product of its digits is 73728, while the sum is 38.

The square root of 2686844 is about 1639.1595407403. The cubic root of 2686844 is about 139.0211309593.

The spelling of 2686844 in words is "two million, six hundred eighty-six thousand, eight hundred forty-four".