8214939706 has 4 divisors (see below), whose sum is σ = 12322409562. Its totient is φ = 4107469852.

The previous prime is 8214939701. The next prime is 8214939713. The reversal of 8214939706 is 6079394128.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8104500625 + 110439081 = 90025^2 + 10509^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 8214939706.

It is not an unprimeable number, because it can be changed into a prime (8214939701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2053734925 + ... + 2053734928.

Almost surely, 2^8214939706 is an apocalyptic number.

8214939706 is a deficient number, since it is larger than the sum of its proper divisors (4107469856).

8214939706 is a wasteful number, since it uses less digits than its factorization.

8214939706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4107469855.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 8214939706 is about 90636.3045694163. The cubic root of 8214939706 is about 2017.7535810348.

The spelling of 8214939706 in words is "eight billion, two hundred fourteen million, nine hundred thirty-nine thousand, seven hundred six".