3881360 has 80 divisors (see below), whose sum is σ = 10713600. Its totient is φ = 1279488.

The previous prime is 3881359. The next prime is 3881363. The reversal of 3881360 is 631883.

3881360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3881363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16121 + ... + 16359.

It is an arithmetic number, because the mean of its divisors is an integer number (133920).

Almost surely, 2^3881360 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 3881360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5356800).

3881360 is an abundant number, since it is smaller than the sum of its proper divisors (6832240).

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

3881360 is a wasteful number, since it uses less digits than its factorization.

3881360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 3881360 is about 1970.1167478096. The cubic root of 3881360 is about 157.1549176104.

The spelling of 3881360 in words is "three million, eight hundred eighty-one thousand, three hundred sixty".