6349 has 4 divisors (see below), whose sum is σ = 7264. Its totient is φ = 5436.

The previous prime is 6343. The next prime is 6353. The reversal of 6349 is 9436.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6349 - 2⁵ = 6317 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a plaindrome in base 14 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447 + ... + 460.

It is an arithmetic number, because the mean of its divisors is an integer number (1816).

2⁶³⁴⁹ is an apocalyptic number.

It is an amenable number.

6349 is a deficient number, since it is larger than the sum of its proper divisors (915).

6349 is an equidigital number, since it uses as much as digits as its factorization.

6349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914.

The product of its digits is 648, while the sum is 22.

The square root of 6349 is about 79.6806124474. The cubic root of 6349 is about 18.5169068721.

The spelling of 6349 in words is "six thousand, three hundred forty-nine".