6645484 has 12 divisors (see below), whose sum is σ = 11675664. Its totient is φ = 3309584.

The previous prime is 6645479. The next prime is 6645491. The reversal of 6645484 is 4845466.

6645484 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2107 + ... + 4210.

It is an arithmetic number, because the mean of its divisors is an integer number (972972).

Almost surely, 2^6645484 is an apocalyptic number.

It is an amenable number.

6645484 is a deficient number, since it is larger than the sum of its proper divisors (5030180).

6645484 is a wasteful number, since it uses less digits than its factorization.

6645484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6584 (or 6582 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 6645484 is about 2577.8836280950. The cubic root of 6645484 is about 188.0076577536.

The spelling of 6645484 in words is "six million, six hundred forty-five thousand, four hundred eighty-four".