6387066 has 64 divisors (see below), whose sum is σ = 16546560. Its totient is φ = 1788480.

The previous prime is 6387061. The next prime is 6387067. The reversal of 6387066 is 6607836.

It is a happy number.

It is a super-2 number, since 2×6387066² = 81589224176712, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6387066.

It is not an unprimeable number, because it can be changed into a prime (6387061) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 22920 + ... + 23196.

It is an arithmetic number, because the mean of its divisors is an integer number (258540).

Almost surely, 2^6387066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6387066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8273280).

6387066 is an abundant number, since it is smaller than the sum of its proper divisors (10159494).

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

6387066 is a wasteful number, since it uses less digits than its factorization.

6387066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 6387066 is about 2527.2645290907. The cubic root of 6387066 is about 185.5383975168.

It can be divided in two parts, 63870 and 66, that added together give a palindrome (63936).

The spelling of 6387066 in words is "six million, three hundred eighty-seven thousand, sixty-six".