3944974160 has 80 divisors (see below), whose sum is σ = 9309106560. Its totient is φ = 1554577920.

The previous prime is 3944974157. The next prime is 3944974177. The reversal of 3944974160 is 614794493.

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

It is a super-2 number, since 2×3944974160² = 31125642246135411200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1737506 + ... + 1739774.

It is an arithmetic number, because the mean of its divisors is an integer number (116363832).

Almost surely, 2^3944974160 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 3944974160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4654553280).

3944974160 is an abundant number, since it is smaller than the sum of its proper divisors (5364132400).

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

3944974160 is a wasteful number, since it uses less digits than its factorization.

3944974160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596 (or 2590 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 3944974160 is about 62809.0292871972. The cubic root of 3944974160 is about 1580.0884103709.

The spelling of 3944974160 in words is "three billion, nine hundred forty-four million, nine hundred seventy-four thousand, one hundred sixty".