6648355 has 24 divisors (see below), whose sum is σ = 9428256. Its totient is φ = 4408320.

The previous prime is 6648331. The next prime is 6648371. The reversal of 6648355 is 5538466.

It is not a de Polignac number, because 6648355 - 2¹³ = 6640163 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 58779 + ... + 58891.

It is an arithmetic number, because the mean of its divisors is an integer number (392844).

Almost surely, 2^6648355 is an apocalyptic number.

6648355 is a deficient number, since it is larger than the sum of its proper divisors (2779901).

6648355 is a wasteful number, since it uses less digits than its factorization.

6648355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 166 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 6648355 is about 2578.4404200989. The cubic root of 6648355 is about 188.0347283814.

The spelling of 6648355 in words is "six million, six hundred forty-eight thousand, three hundred fifty-five".