3871776 has 48 divisors (see below), whose sum is σ = 10499328. Its totient is φ = 1248000.

The previous prime is 3871759. The next prime is 3871781. The reversal of 3871776 is 6771783.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2326 + ... + 3626.

It is an arithmetic number, because the mean of its divisors is an integer number (218736).

Almost surely, 2^3871776 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 3871776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5249664).

3871776 is an abundant number, since it is smaller than the sum of its proper divisors (6627552).

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

3871776 is a wasteful number, since it uses less digits than its factorization.

3871776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345 (or 1337 counting only the distinct ones).

The product of its digits is 49392, while the sum is 39.

The square root of 3871776 is about 1967.6829012826. The cubic root of 3871776 is about 157.0254600548.

It can be divided in two parts, 38717 and 76, that multiplied together give a palindrome (2942492).

The spelling of 3871776 in words is "three million, eight hundred seventy-one thousand, seven hundred seventy-six".