2439385 has 8 divisors (see below), whose sum is σ = 3152520. Its totient is φ = 1801344.

The previous prime is 2439379. The next prime is 2439389. The reversal of 2439385 is 5839342.

It is a happy number.

2439385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 80089 + 2359296 = 283^2 + 1536^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2439385 - 2⁷ = 2439257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2439385.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2439389) 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 7 ways as a sum of consecutive naturals, for example, 18700 + ... + 18829.

It is an arithmetic number, because the mean of its divisors is an integer number (394065).

2^2439385 is an apocalyptic number.

It is an amenable number.

2439385 is a deficient number, since it is larger than the sum of its proper divisors (713135).

2439385 is a wasteful number, since it uses less digits than its factorization.

2439385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37547.

The product of its digits is 25920, while the sum is 34.

The square root of 2439385 is about 1561.8530660725. The cubic root of 2439385 is about 134.6149981779.

The spelling of 2439385 in words is "two million, four hundred thirty-nine thousand, three hundred eighty-five".