3197928864 has 144 divisors (see below), whose sum is σ = 9130968000. Its totient is φ = 979550208.

The previous prime is 3197928847. The next prime is 3197928941. The reversal of 3197928864 is 4688297913.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7122112 + ... + 7122560.

It is an arithmetic number, because the mean of its divisors is an integer number (63409500).

Almost surely, 2^3197928864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3197928864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4565484000).

3197928864 is an abundant number, since it is smaller than the sum of its proper divisors (5933039136).

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

3197928864 is a wasteful number, since it uses less digits than its factorization.

3197928864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927 (or 906 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 57.

The square root of 3197928864 is about 56550.2331029678. The cubic root of 3197928864 is about 1473.2946087477.

The spelling of 3197928864 in words is "three billion, one hundred ninety-seven million, nine hundred twenty-eight thousand, eight hundred sixty-four".