3260985984 has 96 divisors (see below), whose sum is σ = 9424876500. Its totient is φ = 1082241024.

The previous prime is 3260985971. The next prime is 3260985989. The reversal of 3260985984 is 4895890623.

It can be written as a sum of positive squares in 2 ways, for example, as 3167438400 + 93547584 = 56280^2 + 9672^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 3260985984.

It is not an unprimeable number, because it can be changed into a prime (3260985989) 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 11 ways as a sum of consecutive naturals, for example, 262342 + ... + 274490.

Almost surely, 2^3260985984 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 3260985984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4712438250).

3260985984 is an abundant number, since it is smaller than the sum of its proper divisors (6163890516).

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

3260985984 is a wasteful number, since it uses less digits than its factorization.

3260985984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12402 (or 12387 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The square root of 3260985984 is about 57105.0434199993. The cubic root of 3260985984 is about 1482.9151794045.

The spelling of 3260985984 in words is "three billion, two hundred sixty million, nine hundred eighty-five thousand, nine hundred eighty-four".