2431239 has 8 divisors (see below), whose sum is σ = 3259392. Its totient is φ = 1611960.

The previous prime is 2431223. The next prime is 2431241. The reversal of 2431239 is 9321342.

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

It is not a de Polignac number, because 2431239 - 2⁴ = 2431223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1549 + ... + 2694.

It is an arithmetic number, because the mean of its divisors is an integer number (407424).

2^2431239 is an apocalyptic number.

2431239 is a deficient number, since it is larger than the sum of its proper divisors (828153).

2431239 is a wasteful number, since it uses less digits than its factorization.

2431239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4437.

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

The square root of 2431239 is about 1559.2430856028. The cubic root of 2431239 is about 134.4649881459.

The spelling of 2431239 in words is "two million, four hundred thirty-one thousand, two hundred thirty-nine".