6609449 has 8 divisors (see below), whose sum is σ = 8240448. Its totient is φ = 5150160.

The previous prime is 6609443. The next prime is 6609457. The reversal of 6609449 is 9449066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6609449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6609443) 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 7 ways as a sum of consecutive naturals, for example, 42842 + ... + 42995.

It is an arithmetic number, because the mean of its divisors is an integer number (1030056).

Almost surely, 2^6609449 is an apocalyptic number.

It is an amenable number.

6609449 is a deficient number, since it is larger than the sum of its proper divisors (1630999).

6609449 is a wasteful number, since it uses less digits than its factorization.

6609449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85855.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 6609449 is about 2570.8848671226. The cubic root of 6609449 is about 187.6672191200.

The spelling of 6609449 in words is "six million, six hundred nine thousand, four hundred forty-nine".