6648936 has 64 divisors (see below), whose sum is σ = 20006400. Its totient is φ = 1798848.

The previous prime is 6648883. The next prime is 6648977. The reversal of 6648936 is 6398466.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 15 ways as a sum of consecutive naturals, for example, 2151 + ... + 4233.

It is an arithmetic number, because the mean of its divisors is an integer number (312600).

Almost surely, 2^6648936 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 6648936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10003200).

6648936 is an abundant number, since it is smaller than the sum of its proper divisors (13357464).

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

6648936 is a wasteful number, since it uses less digits than its factorization.

6648936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118 (or 2114 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 6648936 is about 2578.5530826415. The cubic root of 6648936 is about 188.0402056759.

The spelling of 6648936 in words is "six million, six hundred forty-eight thousand, nine hundred thirty-six".