2686444 has 12 divisors (see below), whose sum is σ = 4863600. Its totient is φ = 1296848.

The previous prime is 2686393. The next prime is 2686451. The reversal of 2686444 is 4446862.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11464 + ... + 11695.

It is an arithmetic number, because the mean of its divisors is an integer number (405300).

2^2686444 is an apocalyptic number.

It is an amenable number.

2686444 is a deficient number, since it is larger than the sum of its proper divisors (2177156).

2686444 is a wasteful number, since it uses less digits than its factorization.

2686444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23192 (or 23190 counting only the distinct ones).

The product of its digits is 36864, while the sum is 34.

The square root of 2686444 is about 1639.0375224503. The cubic root of 2686444 is about 139.0142317605.

The spelling of 2686444 in words is "two million, six hundred eighty-six thousand, four hundred forty-four".