2686884 has 24 divisors (see below), whose sum is σ = 6638688. Its totient is φ = 842880.

The previous prime is 2686861. The next prime is 2686889. The reversal of 2686884 is 4886862.

It is not an unprimeable number, because it can be changed into a prime (2686889) by changing a digit.

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, 6382 + ... + 6789.

It is an arithmetic number, because the mean of its divisors is an integer number (276612).

2^2686884 is an apocalyptic number.

It is an amenable number.

2686884 is an abundant number, since it is smaller than the sum of its proper divisors (3951804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2686884 is a wasteful number, since it uses less digits than its factorization.

2686884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13195 (or 13193 counting only the distinct ones).

The product of its digits is 147456, while the sum is 42.

The square root of 2686884 is about 1639.1717420698. The cubic root of 2686884 is about 139.0218208415.

It can be divided in two parts, 2686 and 884, that added together give a triangular number (3570 = T₈₄).

The spelling of 2686884 in words is "two million, six hundred eighty-six thousand, eight hundred eighty-four".