2686764 has 24 divisors (see below), whose sum is σ = 6308848. Its totient is φ = 889920.

The previous prime is 2686759. The next prime is 2686777. The reversal of 2686764 is 4676862.

It is an unprimeable number.

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, 1554 + ... + 2790.

2^2686764 is an apocalyptic number.

It is an amenable number.

2686764 is an abundant number, since it is smaller than the sum of its proper divisors (3622084).

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

2686764 is a wasteful number, since it uses less digits than its factorization.

2686764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425 (or 1423 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 2686764 is about 1639.1351378090. The cubic root of 2686764 is about 139.0197511743.

The spelling of 2686764 in words is "two million, six hundred eighty-six thousand, seven hundred sixty-four".