3881819376 has 100 divisors (see below), whose sum is σ = 11317637232. Its totient is φ = 1284436224.

The previous prime is 3881819341. The next prime is 3881819387. The reversal of 3881819376 is 6739181883.

3881819376 is a `hidden beast` number, since 388 + 1 + 8 + 193 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 166621 + ... + 188483.

Almost surely, 2^3881819376 is an apocalyptic number.

3881819376 is a gapful number since it is divisible by the number (36) 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 3881819376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5658818616).

3881819376 is an abundant number, since it is smaller than the sum of its proper divisors (7435817856).

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

3881819376 is a wasteful number, since it uses less digits than its factorization.

3881819376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22020 (or 22005 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 3881819376 is about 62304.2484586725. The cubic root of 3881819376 is about 1571.6111735732.

The spelling of 3881819376 in words is "three billion, eight hundred eighty-one million, eight hundred nineteen thousand, three hundred seventy-six".