6339661 has 8 divisors (see below), whose sum is σ = 6652800. Its totient is φ = 6032880.

The previous prime is 6339653. The next prime is 6339677. The reversal of 6339661 is 1669336.

It is a happy number.

6339661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6339661 - 2³ = 6339653 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 (6339611) 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, 520 + ... + 3598.

It is an arithmetic number, because the mean of its divisors is an integer number (831600).

Almost surely, 2^6339661 is an apocalyptic number.

It is an amenable number.

6339661 is a deficient number, since it is larger than the sum of its proper divisors (313139).

6339661 is a wasteful number, since it uses less digits than its factorization.

6339661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3179.

The product of its digits is 17496, while the sum is 34.

The square root of 6339661 is about 2517.8683444533. The cubic root of 6339661 is about 185.0782332863.

The spelling of 6339661 in words is "six million, three hundred thirty-nine thousand, six hundred sixty-one".