3946408432 has 20 divisors (see below), whose sum is σ = 7647200280. Its totient is φ = 1972937408.

The previous prime is 3946408429. The next prime is 3946408447. The reversal of 3946408432 is 2348046493.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165963 + ... + 188245.

It is an arithmetic number, because the mean of its divisors is an integer number (382360014).

Almost surely, 2^3946408432 is an apocalyptic number.

It is an amenable number.

3946408432 is a deficient number, since it is larger than the sum of its proper divisors (3700791848).

3946408432 is a wasteful number, since it uses less digits than its factorization.

3946408432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33360 (or 33354 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 43.

The square root of 3946408432 is about 62820.4459710372. The cubic root of 3946408432 is about 1580.2798777822.

The spelling of 3946408432 in words is "three billion, nine hundred forty-six million, four hundred eight thousand, four hundred thirty-two".