8005306838 has 8 divisors (see below), whose sum is σ = 12118125360. Its totient is φ = 3965931720.

The previous prime is 8005306811. The next prime is 8005306891. The reversal of 8005306838 is 8386035008.

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 = 8005306795 and 8005306804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18360578 + ... + 18361013.

It is an arithmetic number, because the mean of its divisors is an integer number (1514765670).

Almost surely, 2^8005306838 is an apocalyptic number.

8005306838 is a deficient number, since it is larger than the sum of its proper divisors (4112818522).

8005306838 is a wasteful number, since it uses less digits than its factorization.

8005306838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36721702.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 8005306838 is about 89472.3803081152. The cubic root of 8005306838 is about 2000.4421387495.

The spelling of 8005306838 in words is "eight billion, five million, three hundred six thousand, eight hundred thirty-eight".