3946243329 has 12 divisors (see below), whose sum is σ = 6514433536. Its totient is φ = 2254996152.

The previous prime is 3946243321. The next prime is 3946243339. The reversal of 3946243329 is 9233426493.

3946243329 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3946243329 - 2³ = 3946243321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3946243321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31319329 + ... + 31319454.

Almost surely, 2^3946243329 is an apocalyptic number.

It is an amenable number.

3946243329 is a deficient number, since it is larger than the sum of its proper divisors (2568190207).

3946243329 is a wasteful number, since it uses less digits than its factorization.

3946243329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62638796 (or 62638793 counting only the distinct ones).

The product of its digits is 839808, while the sum is 45.

The square root of 3946243329 is about 62819.1318707924. The cubic root of 3946243329 is about 1580.2578398041.

The spelling of 3946243329 in words is "three billion, nine hundred forty-six million, two hundred forty-three thousand, three hundred twenty-nine".