2680986 has 48 divisors (see below), whose sum is σ = 6812640. Its totient is φ = 695520.

The previous prime is 2680969. The next prime is 2680991. The reversal of 2680986 is 6890862.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2820 + ... + 3648.

It is an arithmetic number, because the mean of its divisors is an integer number (141930).

2^2680986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2680986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3406320).

2680986 is an abundant number, since it is smaller than the sum of its proper divisors (4131654).

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

2680986 is a wasteful number, since it uses less digits than its factorization.

2680986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859 (or 852 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 2680986 is about 1637.3716743611. The cubic root of 2680986 is about 138.9200236926.

The spelling of 2680986 in words is "two million, six hundred eighty thousand, nine hundred eighty-six".