2680189 has 4 divisors (see below), whose sum is σ = 2692224. Its totient is φ = 2668156.

The previous prime is 2680141. The next prime is 2680231. The reversal of 2680189 is 9810862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9810862 = 2 ⋅4905431.

It is a cyclic number.

It is not a de Polignac number, because 2680189 - 2¹¹ = 2678141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2680109) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5677 + ... + 6130.

It is an arithmetic number, because the mean of its divisors is an integer number (673056).

2^2680189 is an apocalyptic number.

It is an amenable number.

2680189 is a deficient number, since it is larger than the sum of its proper divisors (12035).

2680189 is a wasteful number, since it uses less digits than its factorization.

2680189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12034.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 2680189 is about 1637.1282784193. The cubic root of 2680189 is about 138.9062563408.

The spelling of 2680189 in words is "two million, six hundred eighty thousand, one hundred eighty-nine".