3808317947 has 16 divisors (see below), whose sum is σ = 4415334912. Its totient is φ = 3217112640.

The previous prime is 3808317913. The next prime is 3808317959. The reversal of 3808317947 is 7497138083.

It is not a de Polignac number, because 3808317947 - 2¹⁸ = 3808055803 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3808317895 and 3808317904.

It is not an unprimeable number, because it can be changed into a prime (3808397947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1064672 + ... + 1068242.

It is an arithmetic number, because the mean of its divisors is an integer number (275958432).

Almost surely, 2^3808317947 is an apocalyptic number.

3808317947 is a deficient number, since it is larger than the sum of its proper divisors (607016965).

3808317947 is a wasteful number, since it uses less digits than its factorization.

3808317947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5738.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 3808317947 is about 61711.5706087602. The cubic root of 3808317947 is about 1561.6285243935.

The spelling of 3808317947 in words is "three billion, eight hundred eight million, three hundred seventeen thousand, nine hundred forty-seven".