6343391 has 8 divisors (see below), whose sum is σ = 6559104. Its totient is φ = 6130080.

The previous prime is 6343387. The next prime is 6343399. The reversal of 6343391 is 1933436.

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 6343391 - 2² = 6343387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6343399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5906 + ... + 6896.

It is an arithmetic number, because the mean of its divisors is an integer number (819888).

Almost surely, 2^6343391 is an apocalyptic number.

6343391 is a deficient number, since it is larger than the sum of its proper divisors (215713).

6343391 is a wasteful number, since it uses less digits than its factorization.

6343391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201.

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

The square root of 6343391 is about 2518.6089414596. The cubic root of 6343391 is about 185.1145236844.

The spelling of 6343391 in words is "six million, three hundred forty-three thousand, three hundred ninety-one".