6659242 has 8 divisors (see below), whose sum is σ = 10201536. Its totient is φ = 3258732.

The previous prime is 6659239. The next prime is 6659243. The reversal of 6659242 is 2429566.

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

It is a d-powerful number, because it can be written as 6² + 6⁸ + 5 + 9⁷ + 2³ + 4⁸ + 2¹⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 6659198 and 6659207.

It is not an unprimeable number, because it can be changed into a prime (6659243) 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, 35328 + ... + 35515.

It is an arithmetic number, because the mean of its divisors is an integer number (1275192).

Almost surely, 2^6659242 is an apocalyptic number.

6659242 is a deficient number, since it is larger than the sum of its proper divisors (3542294).

6659242 is a wasteful number, since it uses less digits than its factorization.

6659242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70892.

The product of its digits is 25920, while the sum is 34.

The square root of 6659242 is about 2580.5507164169. The cubic root of 6659242 is about 188.1373110342.

The spelling of 6659242 in words is "six million, six hundred fifty-nine thousand, two hundred forty-two".