2680839 has 18 divisors (see below), whose sum is σ = 4505280. Its totient is φ = 1531656.

The previous prime is 2680837. The next prime is 2680877. The reversal of 2680839 is 9380862.

It is not a de Polignac number, because 2680839 - 2¹ = 2680837 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2680831) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2599 + ... + 3480.

2^2680839 is an apocalyptic number.

2680839 is a deficient number, since it is larger than the sum of its proper divisors (1824441).

2680839 is a wasteful number, since it uses less digits than its factorization.

2680839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6099 (or 6089 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2680839 is about 1637.3267847317. The cubic root of 2680839 is about 138.9174846246.

The spelling of 2680839 in words is "two million, six hundred eighty thousand, eight hundred thirty-nine".