6438106 has 8 divisors (see below), whose sum is σ = 9700020. Its totient is φ = 3204768.

The previous prime is 6438101. The next prime is 6438109. The reversal of 6438106 is 6018346.

It can be written as a sum of positive squares in 2 ways, for example, as 6426225 + 11881 = 2535^2 + 109^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6438101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6571 + ... + 7486.

Almost surely, 2^6438106 is an apocalyptic number.

6438106 is a deficient number, since it is larger than the sum of its proper divisors (3261914).

6438106 is a wasteful number, since it uses less digits than its factorization.

6438106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14288.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 6438106 is about 2537.3423103712. The cubic root of 6438106 is about 186.0313085617.

The spelling of 6438106 in words is "six million, four hundred thirty-eight thousand, one hundred six".