6606889 has 4 divisors (see below), whose sum is σ = 6954640. Its totient is φ = 6259140.

The previous prime is 6606877. The next prime is 6606893. The reversal of 6606889 is 9886066.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6606889 - 2²¹ = 4509737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6606839) 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, 173847 + ... + 173884.

It is an arithmetic number, because the mean of its divisors is an integer number (1738660).

Almost surely, 2^6606889 is an apocalyptic number.

It is an amenable number.

6606889 is a deficient number, since it is larger than the sum of its proper divisors (347751).

6606889 is a wasteful number, since it uses less digits than its factorization.

6606889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347750.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 6606889 is about 2570.3869358523. The cubic root of 6606889 is about 187.6429866350.

The spelling of 6606889 in words is "six million, six hundred six thousand, eight hundred eighty-nine".