3946664193 has 16 divisors (see below), whose sum is σ = 5412945216. Its totient is φ = 2556786240.

The previous prime is 3946664191. The next prime is 3946664207. The reversal of 3946664193 is 3914666493.

It is not a de Polignac number, because 3946664193 - 2¹ = 3946664191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3946664191) 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, 114730 + ... + 145107.

It is an arithmetic number, because the mean of its divisors is an integer number (338309076).

Almost surely, 2^3946664193 is an apocalyptic number.

It is an amenable number.

3946664193 is a deficient number, since it is larger than the sum of its proper divisors (1466281023).

3946664193 is a wasteful number, since it uses less digits than its factorization.

3946664193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259984.

The product of its digits is 2519424, while the sum is 51.

The square root of 3946664193 is about 62822.4815889981. The cubic root of 3946664193 is about 1580.3140155928.

The spelling of 3946664193 in words is "three billion, nine hundred forty-six million, six hundred sixty-four thousand, one hundred ninety-three".