6647952 has 40 divisors (see below), whose sum is σ = 18186336. Its totient is φ = 2085376.

The previous prime is 6647951. The next prime is 6647959. The reversal of 6647952 is 2597466.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6647952.

It is not an unprimeable number, because it can be changed into a prime (6647951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3258 + ... + 4889.

Almost surely, 2^6647952 is an apocalyptic number.

It is an amenable number.

6647952 is an abundant number, since it is smaller than the sum of its proper divisors (11538384).

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

6647952 is a wasteful number, since it uses less digits than its factorization.

6647952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8175 (or 8169 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 6647952 is about 2578.3622708999. The cubic root of 6647952 is about 188.0309289691.

The spelling of 6647952 in words is "six million, six hundred forty-seven thousand, nine hundred fifty-two".