3881219 has 4 divisors (see below), whose sum is σ = 4109544. Its totient is φ = 3652896.

The previous prime is 3881209. The next prime is 3881221. The reversal of 3881219 is 9121883.

3881219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3881219 - 2⁴ = 3881203 is a prime.

It is a super-2 number, since 2×3881219² = 30127721851922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3881209) 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 3 ways as a sum of consecutive naturals, for example, 114137 + ... + 114170.

It is an arithmetic number, because the mean of its divisors is an integer number (1027386).

Almost surely, 2^3881219 is an apocalyptic number.

3881219 is a deficient number, since it is larger than the sum of its proper divisors (228325).

3881219 is a wasteful number, since it uses less digits than its factorization.

3881219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228324.

The product of its digits is 3456, while the sum is 32.

The square root of 3881219 is about 1970.0809628033. The cubic root of 3881219 is about 157.1530145737.

The spelling of 3881219 in words is "three million, eight hundred eighty-one thousand, two hundred nineteen".