2316439 has 4 divisors (see below), whose sum is σ = 2329560. Its totient is φ = 2303320.

The previous prime is 2316421. The next prime is 2316449. The reversal of 2316439 is 9346132.

2316439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2316439 - 2⁵ = 2316407 is a prime.

It is a Duffinian number.

2316439 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2316449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6292 + ... + 6649.

It is an arithmetic number, because the mean of its divisors is an integer number (582390).

2^2316439 is an apocalyptic number.

2316439 is a deficient number, since it is larger than the sum of its proper divisors (13121).

2316439 is a wasteful number, since it uses less digits than its factorization.

2316439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13120.

The product of its digits is 3888, while the sum is 28.

The square root of 2316439 is about 1521.9852167482. The cubic root of 2316439 is about 132.3143525634.

It can be divided in two parts, 231 and 6439, that added together give a triangular number (6670 = T₁₁₅).

The spelling of 2316439 in words is "two million, three hundred sixteen thousand, four hundred thirty-nine".