6664306 has 32 divisors (see below), whose sum is σ = 11726208. Its totient is φ = 2807040.

The previous prime is 6664279. The next prime is 6664309. The reversal of 6664306 is 6034666.

It is not an unprimeable number, because it can be changed into a prime (6664309) 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 15 ways as a sum of consecutive naturals, for example, 38436 + ... + 38608.

It is an arithmetic number, because the mean of its divisors is an integer number (366444).

Almost surely, 2^6664306 is an apocalyptic number.

6664306 is a deficient number, since it is larger than the sum of its proper divisors (5061902).

6664306 is a wasteful number, since it uses less digits than its factorization.

6664306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 6664306 is about 2581.5317158617. The cubic root of 6664306 is about 188.1849884298.

It can be divided in two parts, 6664 and 306, that multiplied together give a square (2039184 = 1428²).

The spelling of 6664306 in words is "six million, six hundred sixty-four thousand, three hundred six".