8384439922 has 8 divisors (see below), whose sum is σ = 13010337900. Its totient is φ = 4047660624.

The previous prime is 8384439919. The next prime is 8384439949. The reversal of 8384439922 is 2299344838.

It can be written as a sum of positive squares in 2 ways, for example, as 8362919601 + 21520321 = 91449^2 + 4639^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 8384439922.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72279597 + ... + 72279712.

Almost surely, 2^8384439922 is an apocalyptic number.

8384439922 is a deficient number, since it is larger than the sum of its proper divisors (4625897978).

8384439922 is a wasteful number, since it uses less digits than its factorization.

8384439922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144559340.

The product of its digits is 2985984, while the sum is 52.

The square root of 8384439922 is about 91566.5873667901. The cubic root of 8384439922 is about 2031.5367626802.

The spelling of 8384439922 in words is "eight billion, three hundred eighty-four million, four hundred thirty-nine thousand, nine hundred twenty-two".