6349638 has 16 divisors (see below), whose sum is σ = 12995136. Its totient is φ = 2067240.

The previous prime is 6349631. The next prime is 6349643. The reversal of 6349638 is 8369436.

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 = 6349596 and 6349605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6349631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12048 + ... + 12563.

It is an arithmetic number, because the mean of its divisors is an integer number (812196).

Almost surely, 2^6349638 is an apocalyptic number.

6349638 is an abundant number, since it is smaller than the sum of its proper divisors (6645498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6349638 is a wasteful number, since it uses less digits than its factorization.

6349638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24659.

The product of its digits is 93312, while the sum is 39.

The square root of 6349638 is about 2519.8488049881. The cubic root of 6349638 is about 185.1752709527.

The spelling of 6349638 in words is "six million, three hundred forty-nine thousand, six hundred thirty-eight".