6664460 has 24 divisors (see below), whose sum is σ = 15268176. Its totient is φ = 2423360.

The previous prime is 6664453. The next prime is 6664481. The reversal of 6664460 is 644666.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14927 + ... + 15366.

It is an arithmetic number, because the mean of its divisors is an integer number (636174).

Almost surely, 2^6664460 is an apocalyptic number.

It is an amenable number.

6664460 is an abundant number, since it is smaller than the sum of its proper divisors (8603716).

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

6664460 is a wasteful number, since it uses less digits than its factorization.

6664460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30313 (or 30311 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 6664460 is about 2581.5615429426. The cubic root of 6664460 is about 188.1864379563.

It can be divided in two parts, 6 and 664460, that added together give a palindrome (664466).

The spelling of 6664460 in words is "six million, six hundred sixty-four thousand, four hundred sixty".