6431339 has 8 divisors (see below), whose sum is σ = 6611520. Its totient is φ = 6253056.

The previous prime is 6431323. The next prime is 6431351. The reversal of 6431339 is 9331346.

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 6431339 - 2⁴ = 6431323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6431309) 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, 8717 + ... + 9425.

It is an arithmetic number, because the mean of its divisors is an integer number (826440).

Almost surely, 2^6431339 is an apocalyptic number.

6431339 is a deficient number, since it is larger than the sum of its proper divisors (180181).

6431339 is a wasteful number, since it uses less digits than its factorization.

6431339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949.

The product of its digits is 5832, while the sum is 29.

The square root of 6431339 is about 2536.0084779038. The cubic root of 6431339 is about 185.9661074408.

The spelling of 6431339 in words is "six million, four hundred thirty-one thousand, three hundred thirty-nine".