3968650764 has 144 divisors (see below), whose sum is σ = 11462330880. Its totient is φ = 1147685760.

The previous prime is 3968650757. The next prime is 3968650787. The reversal of 3968650764 is 4670568693.

It is a self number, because there is not a number n which added to its sum of digits gives 3968650764.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1163149 + ... + 1166555.

It is an arithmetic number, because the mean of its divisors is an integer number (79599520).

Almost surely, 2^3968650764 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 3968650764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5731165440).

3968650764 is an abundant number, since it is smaller than the sum of its proper divisors (7493680116).

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

3968650764 is a wasteful number, since it uses less digits than its factorization.

3968650764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3580 (or 3575 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The square root of 3968650764 is about 62997.2282247402. The cubic root of 3968650764 is about 1583.2431866337.

The spelling of 3968650764 in words is "three billion, nine hundred sixty-eight million, six hundred fifty thousand, seven hundred sixty-four".