2686870 has 16 divisors (see below), whose sum is σ = 4873680. Its totient is φ = 1066464.

The previous prime is 2686861. The next prime is 2686889. The reversal of 2686870 is 786862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424 + ... + 2356.

It is an arithmetic number, because the mean of its divisors is an integer number (304605).

2^2686870 is an apocalyptic number.

2686870 is a deficient number, since it is larger than the sum of its proper divisors (2186810).

2686870 is a wasteful number, since it uses less digits than its factorization.

2686870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 2686870 is about 1639.1674716148. The cubic root of 2686870 is about 139.0215793835.

The spelling of 2686870 in words is "two million, six hundred eighty-six thousand, eight hundred seventy".