6349631 has 2 divisors, whose sum is σ = 6349632. Its totient is φ = 6349630.

The previous prime is 6349621. The next prime is 6349643. The reversal of 6349631 is 1369436.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6349631 - 2²² = 2155327 is a prime.

It is a super-2 number, since 2×6349631² = 80635627672322, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6349621) 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 as a sum of consecutive naturals, namely, 3174815 + 3174816.

It is an arithmetic number, because the mean of its divisors is an integer number (3174816).

Almost surely, 2^6349631 is an apocalyptic number.

6349631 is a deficient number, since it is larger than the sum of its proper divisors (1).

6349631 is an equidigital number, since it uses as much as digits as its factorization.

6349631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 32.

The square root of 6349631 is about 2519.8474160155. The cubic root of 6349631 is about 185.1752029054.

It can be divided in two parts, 63 and 49631, that added together give a palindrome (49694).

The spelling of 6349631 in words is "six million, three hundred forty-nine thousand, six hundred thirty-one".