6648264 has 64 divisors (see below), whose sum is σ = 21110400. Its totient is φ = 1899072.

The previous prime is 6648259. The next prime is 6648269. The reversal of 6648264 is 4628466.

It is a happy number.

6648264 is a `hidden beast` number, since 6 + 648 + 2 + 6 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (6648259) and next prime (6648269).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (6648269) by changing a digit.

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, 687 + ... + 3710.

It is an arithmetic number, because the mean of its divisors is an integer number (329850).

Almost surely, 2^6648264 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 6648264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10555200).

6648264 is an abundant number, since it is smaller than the sum of its proper divisors (14462136).

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

6648264 is a wasteful number, since it uses less digits than its factorization.

6648264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4419 (or 4409 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 6648264 is about 2578.4227737126. The cubic root of 6648264 is about 188.0338704630.

The spelling of 6648264 in words is "six million, six hundred forty-eight thousand, two hundred sixty-four".