2680866 has 24 divisors (see below), whose sum is σ = 6150924. Its totient is φ = 840960.

The previous prime is 2680837. The next prime is 2680877. The reversal of 2680866 is 6680862.

It can be written as a sum of positive squares in 2 ways, for example, as 2653641 + 27225 = 1629^2 + 165^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2680866.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4075 + ... + 4686.

2^2680866 is an apocalyptic number.

2680866 is an abundant number, since it is smaller than the sum of its proper divisors (3470058).

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

2680866 is a wasteful number, since it uses less digits than its factorization.

2680866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8786 (or 8783 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 2680866 is about 1637.3350298580. The cubic root of 2680866 is about 138.9179509910.

The spelling of 2680866 in words is "two million, six hundred eighty thousand, eight hundred sixty-six".