2681239 has 6 divisors (see below), whose sum is σ = 2947280. Its totient is φ = 2437380.

The previous prime is 2681213. The next prime is 2681249. The reversal of 2681239 is 9321862.

It is not a de Polignac number, because 2681239 - 2⁵ = 2681207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2681239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10959 + ... + 11200.

2^2681239 is an apocalyptic number.

2681239 is a deficient number, since it is larger than the sum of its proper divisors (266041).

2681239 is a wasteful number, since it uses less digits than its factorization.

2681239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22181 (or 22170 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 2681239 is about 1637.4489305013. The cubic root of 2681239 is about 138.9243934357.

The spelling of 2681239 in words is "two million, six hundred eighty-one thousand, two hundred thirty-nine".