3843264321 has 24 divisors (see below), whose sum is σ = 6165401760. Its totient is φ = 2365082928.

The previous prime is 3843264317. The next prime is 3843264323. The reversal of 3843264321 is 1234623483.

3843264321 is a `hidden beast` number, since 3 + 8 + 4 + 3 + 2 + 643 + 2 + 1 = 666.

It is not a de Polignac number, because 3843264321 - 2² = 3843264317 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3843264323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 416571 + ... + 425696.

It is an arithmetic number, because the mean of its divisors is an integer number (256891740).

Almost surely, 2^3843264321 is an apocalyptic number.

It is an amenable number.

3843264321 is a deficient number, since it is larger than the sum of its proper divisors (2322137439).

3843264321 is a wasteful number, since it uses less digits than its factorization.

3843264321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842302 (or 842283 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 3843264321 is about 61994.0668209467. The cubic root of 3843264321 is about 1566.3906594252.

The spelling of 3843264321 in words is "three billion, eight hundred forty-three million, two hundred sixty-four thousand, three hundred twenty-one".