3946338971 has 4 divisors (see below), whose sum is σ = 3951111672. Its totient is φ = 3941566272.

The previous prime is 3946338917. The next prime is 3946338983. The reversal of 3946338971 is 1798336493.

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

It is a cyclic number.

It is not a de Polignac number, because 3946338971 - 2²⁶ = 3879230107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3946338371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2385110 + ... + 2386763.

It is an arithmetic number, because the mean of its divisors is an integer number (987777918).

Almost surely, 2^3946338971 is an apocalyptic number.

3946338971 is a deficient number, since it is larger than the sum of its proper divisors (4772701).

3946338971 is an equidigital number, since it uses as much as digits as its factorization.

3946338971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4772700.

The product of its digits is 2939328, while the sum is 53.

The square root of 3946338971 is about 62819.8931151590. The cubic root of 3946338971 is about 1580.2706061904.

The spelling of 3946338971 in words is "three billion, nine hundred forty-six million, three hundred thirty-eight thousand, nine hundred seventy-one".