6606447 has 4 divisors (see below), whose sum is σ = 8808600. Its totient is φ = 4404296.

The previous prime is 6606443. The next prime is 6606463. The reversal of 6606447 is 7446066.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6606447 - 2² = 6606443 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6606443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1101072 + ... + 1101077.

It is an arithmetic number, because the mean of its divisors is an integer number (2202150).

Almost surely, 2^6606447 is an apocalyptic number.

6606447 is a deficient number, since it is larger than the sum of its proper divisors (2202153).

6606447 is a wasteful number, since it uses less digits than its factorization.

6606447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202152.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 6606447 is about 2570.3009551412. The cubic root of 6606447 is about 187.6388021114.

The spelling of 6606447 in words is "six million, six hundred six thousand, four hundred forty-seven".