6388066 has 16 divisors (see below), whose sum is σ = 10526400. Its totient is φ = 2893968.

The previous prime is 6388061. The next prime is 6388069. The reversal of 6388066 is 6608836.

It is not an unprimeable number, because it can be changed into a prime (6388061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2781 + ... + 4528.

It is an arithmetic number, because the mean of its divisors is an integer number (657900).

Almost surely, 2^6388066 is an apocalyptic number.

6388066 is a deficient number, since it is larger than the sum of its proper divisors (4138334).

6388066 is a wasteful number, since it uses less digits than its factorization.

6388066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7353.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 6388066 is about 2527.4623637158. The cubic root of 6388066 is about 185.5480800385.

The spelling of 6388066 in words is "six million, three hundred eighty-eight thousand, sixty-six".