3881382 has 8 divisors (see below), whose sum is σ = 7762776. Its totient is φ = 1293792.

The previous prime is 3881363. The next prime is 3881387. The reversal of 3881382 is 2831883.

It is a sphenic number, since it is the product of 3 distinct primes.

3881382 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3881387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323443 + ... + 323454.

It is an arithmetic number, because the mean of its divisors is an integer number (970347).

Almost surely, 2^3881382 is an apocalyptic number.

3881382 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3881382 is a wasteful number, since it uses less digits than its factorization.

3881382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646902.

The product of its digits is 9216, while the sum is 33.

The square root of 3881382 is about 1970.1223312272. The cubic root of 3881382 is about 157.1552145339.

It can be divided in two parts, 388 and 1382, that added together give a triangular number (1770 = T₅₉).

The spelling of 3881382 in words is "three million, eight hundred eighty-one thousand, three hundred eighty-two".