6679591 has 8 divisors (see below), whose sum is σ = 7056000. Its totient is φ = 6310392.

The previous prime is 6679579. The next prime is 6679613. The reversal of 6679591 is 1959766.

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 6679591 - 2¹¹ = 6677543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6679531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160 + ... + 3658.

It is an arithmetic number, because the mean of its divisors is an integer number (882000).

Almost surely, 2^6679591 is an apocalyptic number.

6679591 is a deficient number, since it is larger than the sum of its proper divisors (376409).

6679591 is a wasteful number, since it uses less digits than its factorization.

6679591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3605.

The product of its digits is 102060, while the sum is 43.

The square root of 6679591 is about 2584.4904720273. The cubic root of 6679591 is about 188.3287498993.

The spelling of 6679591 in words is "six million, six hundred seventy-nine thousand, five hundred ninety-one".