6942239 has 8 divisors (see below), whose sum is σ = 7737840. Its totient is φ = 6189696.

The previous prime is 6942217. The next prime is 6942241. The reversal of 6942239 is 9322496.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6942239 is a prime.

It is a d-powerful number, because it can be written as 6² + 9³ + 4⁴ + 2¹¹ + 2²¹ + 3¹⁴ + 9⁵ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6942199 and 6942208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6942209) 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, 10424 + ... + 11069.

It is an arithmetic number, because the mean of its divisors is an integer number (967230).

Almost surely, 2^6942239 is an apocalyptic number.

6942239 is a deficient number, since it is larger than the sum of its proper divisors (795601).

6942239 is a wasteful number, since it uses less digits than its factorization.

6942239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21529.

The product of its digits is 23328, while the sum is 35.

The square root of 6942239 is about 2634.8128965830. The cubic root of 6942239 is about 190.7655081244.

The spelling of 6942239 in words is "six million, nine hundred forty-two thousand, two hundred thirty-nine".