6347638 has 8 divisors (see below), whose sum is σ = 10387080. Its totient is φ = 2885280.

The previous prime is 6347623. The next prime is 6347639. The reversal of 6347638 is 8367436.

It is a happy number.

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

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

It is a junction number, because it is equal to n+sod(n) for n = 6347597 and 6347606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6347639) 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, 144243 + ... + 144286.

It is an arithmetic number, because the mean of its divisors is an integer number (1298385).

Almost surely, 2^6347638 is an apocalyptic number.

6347638 is a deficient number, since it is larger than the sum of its proper divisors (4039442).

6347638 is a wasteful number, since it uses less digits than its factorization.

6347638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288542.

The product of its digits is 72576, while the sum is 37.

The square root of 6347638 is about 2519.4519245264. The cubic root of 6347638 is about 185.1558268294.

The spelling of 6347638 in words is "six million, three hundred forty-seven thousand, six hundred thirty-eight".