3965800960 has 80 divisors (see below), whose sum is σ = 10373121792. Its totient is φ = 1442099200.

The previous prime is 3965800939. The next prime is 3965800961. The reversal of 3965800960 is 690085693.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 3965800960.

It is not an unprimeable number, because it can be changed into a prime (3965800961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42256 + ... + 98575.

Almost surely, 2^3965800960 is an apocalyptic number.

It is an amenable number.

3965800960 is an abundant number, since it is smaller than the sum of its proper divisors (6407320832).

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

3965800960 is a wasteful number, since it uses less digits than its factorization.

3965800960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140865 (or 140849 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 3965800960 is about 62974.6056756213. The cubic root of 3965800960 is about 1582.8641314300.

The spelling of 3965800960 in words is "three billion, nine hundred sixty-five million, eight hundred thousand, nine hundred sixty".