8079842 has 8 divisors (see below), whose sum is σ = 12143196. Its totient is φ = 4032112.

The previous prime is 8079833. The next prime is 8079847. The reversal of 8079842 is 2489708.

It can be written as a sum of positive squares in 2 ways, for example, as 7958041 + 121801 = 2821^2 + 349^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 8079796 and 8079805.

It is not an unprimeable number, because it can be changed into a prime (8079847) 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 3 ways as a sum of consecutive naturals, for example, 2513 + ... + 4740.

Almost surely, 2^8079842 is an apocalyptic number.

8079842 is a deficient number, since it is larger than the sum of its proper divisors (4063354).

8079842 is a wasteful number, since it uses less digits than its factorization.

8079842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7812.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 8079842 is about 2842.5062884715. The cubic root of 8079842 is about 200.6631487385.

The spelling of 8079842 in words is "eight million, seventy-nine thousand, eight hundred forty-two".