3944902172 has 12 divisors (see below), whose sum is σ = 6911196600. Its totient is φ = 1970274576.

The previous prime is 3944902123. The next prime is 3944902187. The reversal of 3944902172 is 2712094493.

3944902172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540047 + ... + 547302.

It is an arithmetic number, because the mean of its divisors is an integer number (575933050).

Almost surely, 2^3944902172 is an apocalyptic number.

It is an amenable number.

3944902172 is a deficient number, since it is larger than the sum of its proper divisors (2966294428).

3944902172 is a wasteful number, since it uses less digits than its factorization.

3944902172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088260 (or 1088258 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 3944902172 is about 62808.4562141118. The cubic root of 3944902172 is about 1580.0787991464.

The spelling of 3944902172 in words is "three billion, nine hundred forty-four million, nine hundred two thousand, one hundred seventy-two".