3941988372 has 36 divisors (see below), whose sum is σ = 11387967136. Its totient is φ = 1126282320.

The previous prime is 3941988353. The next prime is 3941988397. The reversal of 3941988372 is 2738891493.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7821154 + ... + 7821657.

Almost surely, 2^3941988372 is an apocalyptic number.

It is an amenable number.

3941988372 is an abundant number, since it is smaller than the sum of its proper divisors (7445978764).

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

3941988372 is a wasteful number, since it uses less digits than its factorization.

3941988372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15642828 (or 15642823 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 3941988372 is about 62785.2560080788. The cubic root of 3941988372 is about 1579.6896752071.

The spelling of 3941988372 in words is "three billion, nine hundred forty-one million, nine hundred eighty-eight thousand, three hundred seventy-two".