3881144 has 16 divisors (see below), whose sum is σ = 7380720. Its totient is φ = 1912960.

The previous prime is 3881131. The next prime is 3881147. The reversal of 3881144 is 4411883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3881147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2849 + ... + 3984.

It is an arithmetic number, because the mean of its divisors is an integer number (461295).

Almost surely, 2^3881144 is an apocalyptic number.

It is an amenable number.

3881144 is a deficient number, since it is larger than the sum of its proper divisors (3499576).

3881144 is a wasteful number, since it uses less digits than its factorization.

3881144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6910 (or 6906 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 3881144 is about 1970.0619279606. The cubic root of 3881144 is about 157.1520023013.

The spelling of 3881144 in words is "three million, eight hundred eighty-one thousand, one hundred forty-four".