3831960321 has 48 divisors (see below), whose sum is σ = 6374368000. Its totient is φ = 2172956544.

The previous prime is 3831960277. The next prime is 3831960323. The reversal of 3831960321 is 1230691383.

3831960321 is a `hidden beast` number, since 38 + 3 + 19 + 603 + 2 + 1 = 666.

It is not a de Polignac number, because 3831960321 - 2¹⁰ = 3831959297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3831960323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8728620 + ... + 8729058.

Almost surely, 2^3831960321 is an apocalyptic number.

It is an amenable number.

3831960321 is a deficient number, since it is larger than the sum of its proper divisors (2542407679).

3831960321 is a wasteful number, since it uses less digits than its factorization.

3831960321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198 (or 1195 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 3831960321 is about 61902.8296687639. The cubic root of 3831960321 is about 1564.8534359712.

The spelling of 3831960321 in words is "three billion, eight hundred thirty-one million, nine hundred sixty thousand, three hundred twenty-one".