3971368992 has 24 divisors (see below), whose sum is σ = 10424843856. Its totient is φ = 1323789632.

The previous prime is 3971368981. The next prime is 3971368993. The reversal of 3971368992 is 2998631793.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (3971368993) 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 3 ways as a sum of consecutive naturals, for example, 20684118 + ... + 20684309.

It is an arithmetic number, because the mean of its divisors is an integer number (434368494).

Almost surely, 2^3971368992 is an apocalyptic number.

3971368992 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3971368992 is an abundant number, since it is smaller than the sum of its proper divisors (6453474864).

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

3971368992 is a wasteful number, since it uses less digits than its factorization.

3971368992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41368440 (or 41368432 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 57.

The square root of 3971368992 is about 63018.7987191124. The cubic root of 3971368992 is about 1583.6045717357.

The spelling of 3971368992 in words is "three billion, nine hundred seventy-one million, three hundred sixty-eight thousand, nine hundred ninety-two".