2686266 has 24 divisors (see below), whose sum is σ = 6349824. Its totient is φ = 813960.

The previous prime is 2686259. The next prime is 2686267. The reversal of 2686266 is 6626862.

2686266 is a `hidden beast` number, since 26 + 8 + 626 + 6 = 666.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2686266.

It is not an unprimeable number, because it can be changed into a prime (2686267) 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 11 ways as a sum of consecutive naturals, for example, 6586 + ... + 6981.

It is an arithmetic number, because the mean of its divisors is an integer number (264576).

2^2686266 is an apocalyptic number.

2686266 is an abundant number, since it is smaller than the sum of its proper divisors (3663558).

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

2686266 is a wasteful number, since it uses less digits than its factorization.

2686266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13586 (or 13583 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 2686266 is about 1638.9832213906. The cubic root of 2686266 is about 139.0111613969.

The spelling of 2686266 in words is "two million, six hundred eighty-six thousand, two hundred sixty-six".