6431343 has 8 divisors (see below), whose sum is σ = 8604288. Its totient is φ = 4272984.

The previous prime is 6431323. The next prime is 6431351. The reversal of 6431343 is 3431346.

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

It is not a de Polignac number, because 6431343 - 2¹² = 6427247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6431323) 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, 2571 + ... + 4412.

It is an arithmetic number, because the mean of its divisors is an integer number (1075536).

Almost surely, 2^6431343 is an apocalyptic number.

6431343 is a deficient number, since it is larger than the sum of its proper divisors (2172945).

6431343 is a wasteful number, since it uses less digits than its factorization.

6431343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7293.

The product of its digits is 2592, while the sum is 24.

The square root of 6431343 is about 2536.0092665446. The cubic root of 6431343 is about 185.9661459949.

Adding to 6431343 its reverse (3431346), we get a palindrome (9862689).

The spelling of 6431343 in words is "six million, four hundred thirty-one thousand, three hundred forty-three".