2678589 has 24 divisors (see below), whose sum is σ = 4094272. Its totient is φ = 1749600.

The previous prime is 2678587. The next prime is 2678591. The reversal of 2678589 is 9858762.

2678589 is a `hidden beast` number, since 2 + 67 + 8 + 589 = 666.

It is an interprime number because it is at equal distance from previous prime (2678587) and next prime (2678591).

It is not a de Polignac number, because 2678589 - 2¹ = 2678587 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 (2678587) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17664 + ... + 17814.

2^2678589 is an apocalyptic number.

It is an amenable number.

2678589 is a deficient number, since it is larger than the sum of its proper divisors (1415683).

2678589 is an equidigital number, since it uses as much as digits as its factorization.

2678589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 227 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 2678589 is about 1636.6395449212. The cubic root of 2678589 is about 138.8786097519.

The spelling of 2678589 in words is "two million, six hundred seventy-eight thousand, five hundred eighty-nine".