2680859 has 4 divisors (see below), whose sum is σ = 2690616. Its totient is φ = 2671104.

The previous prime is 2680837. The next prime is 2680877. The reversal of 2680859 is 9580862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2680859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2680819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4454 + ... + 5019.

It is an arithmetic number, because the mean of its divisors is an integer number (672654).

2^2680859 is an apocalyptic number.

2680859 is a deficient number, since it is larger than the sum of its proper divisors (9757).

2680859 is an equidigital number, since it uses as much as digits as its factorization.

2680859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9756.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 2680859 is about 1637.3328922366. The cubic root of 2680859 is about 138.9178300815.

The spelling of 2680859 in words is "two million, six hundred eighty thousand, eight hundred fifty-nine".