6300666 has 80 divisors (see below), whose sum is σ = 15681600. Its totient is φ = 1881792.

The previous prime is 6300649. The next prime is 6300667. The reversal of 6300666 is 6660036.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (6300667) 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 39 ways as a sum of consecutive naturals, for example, 70750 + ... + 70838.

It is an arithmetic number, because the mean of its divisors is an integer number (196020).

Almost surely, 2^6300666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6300666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7840800).

6300666 is an abundant number, since it is smaller than the sum of its proper divisors (9380934).

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

6300666 is a wasteful number, since it uses less digits than its factorization.

6300666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 6300666 is about 2510.1127464718. The cubic root of 6300666 is about 184.6979829912.

The spelling of 6300666 in words is "six million, three hundred thousand, six hundred sixty-six".