6648912 has 40 divisors (see below), whose sum is σ = 19086080. Its totient is φ = 2216160.

The previous prime is 6648883. The next prime is 6648977. The reversal of 6648912 is 2198466.

6648912 is a `hidden beast` number, since 6 + 648 + 9 + 1 + 2 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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 a congruent 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, 7264 + ... + 8127.

It is an arithmetic number, because the mean of its divisors is an integer number (477152).

Almost surely, 2^6648912 is an apocalyptic number.

It is an amenable number.

6648912 is an abundant number, since it is smaller than the sum of its proper divisors (12437168).

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

6648912 is a wasteful number, since it uses less digits than its factorization.

6648912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15408 (or 15396 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 6648912 is about 2578.5484288646. The cubic root of 6648912 is about 188.0399794257.

The spelling of 6648912 in words is "six million, six hundred forty-eight thousand, nine hundred twelve".