6343631 has 4 divisors (see below), whose sum is σ = 7249872. Its totient is φ = 5437392.

The previous prime is 6343619. The next prime is 6343633. The reversal of 6343631 is 1363436.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6343631 is a prime.

It is a super-2 number, since 2×6343631² = 80483308528322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6343631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6343633) 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 3 ways as a sum of consecutive naturals, for example, 453110 + ... + 453123.

It is an arithmetic number, because the mean of its divisors is an integer number (1812468).

Almost surely, 2^6343631 is an apocalyptic number.

6343631 is a deficient number, since it is larger than the sum of its proper divisors (906241).

6343631 is an equidigital number, since it uses as much as digits as its factorization.

6343631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906240.

The product of its digits is 3888, while the sum is 26.

The square root of 6343631 is about 2518.6565863571. The cubic root of 6343631 is about 185.1168582363.

The spelling of 6343631 in words is "six million, three hundred forty-three thousand, six hundred thirty-one".