6369638 has 16 divisors (see below), whose sum is σ = 10463040. Its totient is φ = 2884200.

The previous prime is 6369631. The next prime is 6369653. The reversal of 6369638 is 8369636.

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

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 6369595 and 6369604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6369631) 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, 8873 + ... + 9563.

It is an arithmetic number, because the mean of its divisors is an integer number (653940).

Almost surely, 2^6369638 is an apocalyptic number.

6369638 is a deficient number, since it is larger than the sum of its proper divisors (4093402).

6369638 is a wasteful number, since it uses less digits than its factorization.

6369638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123.

The product of its digits is 139968, while the sum is 41.

The square root of 6369638 is about 2523.8141769948. The cubic root of 6369638 is about 185.3694879980.

It can be divided in two parts, 6369 and 638, that added together give a palindrome (7007).

The spelling of 6369638 in words is "six million, three hundred sixty-nine thousand, six hundred thirty-eight".