3934721317 has 8 divisors (see below), whose sum is σ = 3948487200. Its totient is φ = 3920977104.

The previous prime is 3934721309. The next prime is 3934721339. The reversal of 3934721317 is 7131274393.

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

It is a cyclic number.

It is not a de Polignac number, because 3934721317 - 2³ = 3934721309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3934721317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3934721117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413034 + ... + 422452.

It is an arithmetic number, because the mean of its divisors is an integer number (493560900).

Almost surely, 2^3934721317 is an apocalyptic number.

It is an amenable number.

3934721317 is a deficient number, since it is larger than the sum of its proper divisors (13765883).

3934721317 is an equidigital number, since it uses as much as digits as its factorization.

3934721317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10835.

The product of its digits is 95256, while the sum is 40.

The square root of 3934721317 is about 62727.3570063334. The cubic root of 3934721317 is about 1578.7183588584.

The spelling of 3934721317 in words is "three billion, nine hundred thirty-four million, seven hundred twenty-one thousand, three hundred seventeen".