6629009 has 8 divisors (see below), whose sum is σ = 7003392. Its totient is φ = 6264720.

The previous prime is 6628981. The next prime is 6629033. The reversal of 6629009 is 9009266.

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

It is a cyclic number.

It is not a de Polignac number, because 6629009 - 2⁸ = 6628753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6629039) 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, 1154 + ... + 3819.

It is an arithmetic number, because the mean of its divisors is an integer number (875424).

Almost surely, 2^6629009 is an apocalyptic number.

It is an amenable number.

6629009 is a deficient number, since it is larger than the sum of its proper divisors (374383).

6629009 is a wasteful number, since it uses less digits than its factorization.

6629009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5047.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 6629009 is about 2574.6861944711. The cubic root of 6629009 is about 187.8521642219.

The spelling of 6629009 in words is "six million, six hundred twenty-nine thousand, nine".