3881959872 has 224 divisors, whose sum is σ = 12646907904. Its totient is φ = 1026432000.

The previous prime is 3881959819. The next prime is 3881959889. The reversal of 3881959872 is 2789591883.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×3881959872² = 30139224895636512768, 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 31 ways as a sum of consecutive naturals, for example, 956247 + ... + 960297.

Almost surely, 2^3881959872 is an apocalyptic number.

3881959872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3881959872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6323453952).

3881959872 is an abundant number, since it is smaller than the sum of its proper divisors (8764948032).

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

3881959872 is a wasteful number, since it uses less digits than its factorization.

3881959872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4127 (or 4117 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 60.

The square root of 3881959872 is about 62305.3759478265. The cubic root of 3881959872 is about 1571.6301339625.

The spelling of 3881959872 in words is "three billion, eight hundred eighty-one million, nine hundred fifty-nine thousand, eight hundred seventy-two".