2312439 has 4 divisors (see below), whose sum is σ = 3083256. Its totient is φ = 1541624.

The previous prime is 2312419. The next prime is 2312477. The reversal of 2312439 is 9342132.

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 2312439 - 2⁵ = 2312407 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385404 + ... + 385409.

It is an arithmetic number, because the mean of its divisors is an integer number (770814).

2^2312439 is an apocalyptic number.

2312439 is a deficient number, since it is larger than the sum of its proper divisors (770817).

2312439 is an equidigital number, since it uses as much as digits as its factorization.

2312439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770816.

The product of its digits is 1296, while the sum is 24.

The square root of 2312439 is about 1520.6705757658. The cubic root of 2312439 is about 132.2381490543.

The spelling of 2312439 in words is "two million, three hundred twelve thousand, four hundred thirty-nine".