3946238564 has 12 divisors (see below), whose sum is σ = 6907435500. Its totient is φ = 1972685568.

The previous prime is 3946238533. The next prime is 3946238567. The reversal of 3946238564 is 4658326493.

It can be written as a sum of positive squares in 2 ways, for example, as 3740545600 + 205692964 = 61160^2 + 14342^2 .

It is not an unprimeable number, because it can be changed into a prime (3946238567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87509 + ... + 124700.

It is an arithmetic number, because the mean of its divisors is an integer number (575619625).

Almost surely, 2^3946238564 is an apocalyptic number.

It is an amenable number.

3946238564 is a deficient number, since it is larger than the sum of its proper divisors (2961196936).

3946238564 is a wasteful number, since it uses less digits than its factorization.

3946238564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216862 (or 216860 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 50.

The square root of 3946238564 is about 62819.0939444370. The cubic root of 3946238564 is about 1580.2572037620.

The spelling of 3946238564 in words is "three billion, nine hundred forty-six million, two hundred thirty-eight thousand, five hundred sixty-four".