6664008 has 96 divisors (see below), whose sum is σ = 18973440. Its totient is φ = 1946880.

The previous prime is 6663971. The next prime is 6664019. The reversal of 6664008 is 8004666.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125710 + ... + 125762.

It is an arithmetic number, because the mean of its divisors is an integer number (197640).

Almost surely, 2^6664008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6664008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9486720).

6664008 is an abundant number, since it is smaller than the sum of its proper divisors (12309432).

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

6664008 is a wasteful number, since it uses less digits than its factorization.

6664008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 6664008 is about 2581.4739975448. The cubic root of 6664008 is about 188.1821834384.

The spelling of 6664008 in words is "six million, six hundred sixty-four thousand, eight".