3215884672 has 256 divisors, whose sum is σ = 9061516800. Its totient is φ = 1094860800.

The previous prime is 3215884669. The next prime is 3215884687. The reversal of 3215884672 is 2764885123.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2433772 + ... + 2435092.

It is an arithmetic number, because the mean of its divisors is an integer number (35396550).

Almost surely, 2^3215884672 is an apocalyptic number.

3215884672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3215884672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4530758400).

3215884672 is an abundant number, since it is smaller than the sum of its proper divisors (5845632128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3215884672 is a wasteful number, since it uses less digits than its factorization.

3215884672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385 (or 1373 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The square root of 3215884672 is about 56708.7706796753. The cubic root of 3215884672 is about 1476.0468939746.

The spelling of 3215884672 in words is "three billion, two hundred fifteen million, eight hundred eighty-four thousand, six hundred seventy-two".