6389105 has 8 divisors (see below), whose sum is σ = 7680552. Its totient is φ = 5102208.

The previous prime is 6389087. The next prime is 6389113. The reversal of 6389105 is 5019836.

It can be written as a sum of positive squares in 4 ways, for example, as 2999824 + 3389281 = 1732^2 + 1841^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6389105 - 2⁶ = 6389041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4547 + ... + 5783.

It is an arithmetic number, because the mean of its divisors is an integer number (960069).

Almost surely, 2^6389105 is an apocalyptic number.

It is an amenable number.

6389105 is a deficient number, since it is larger than the sum of its proper divisors (1291447).

6389105 is a wasteful number, since it uses less digits than its factorization.

6389105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 6389105 is about 2527.6678974897. The cubic root of 6389105 is about 185.5581391082.

The spelling of 6389105 in words is "six million, three hundred eighty-nine thousand, one hundred five".