3237828321 has 24 divisors (see below), whose sum is σ = 5408243904. Its totient is φ = 1707864480.

The previous prime is 3237828317. The next prime is 3237828359. The reversal of 3237828321 is 1238287323.

It is not a de Polignac number, because 3237828321 - 2² = 3237828317 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 3237828321.

It is not an unprimeable number, because it can be changed into a prime (3237828521) 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 23 ways as a sum of consecutive naturals, for example, 845245 + ... + 849066.

It is an arithmetic number, because the mean of its divisors is an integer number (225343496).

Almost surely, 2^3237828321 is an apocalyptic number.

It is an amenable number.

3237828321 is a deficient number, since it is larger than the sum of its proper divisors (2170415583).

3237828321 is a wasteful number, since it uses less digits than its factorization.

3237828321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694341 (or 1694334 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 3237828321 is about 56901.9184298737. The cubic root of 3237828321 is about 1479.3965644727.

The spelling of 3237828321 in words is "three billion, two hundred thirty-seven million, eight hundred twenty-eight thousand, three hundred twenty-one".