3887944 has 8 divisors (see below), whose sum is σ = 7289910. Its totient is φ = 1943968.

The previous prime is 3887911. The next prime is 3887959. The reversal of 3887944 is 4497883.

3887944 is nontrivially palindromic in base 7.

3887944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3572100 + 315844 = 1890^2 + 562^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×3887944² = 30232217094272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3887944.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 242989 + ... + 243004.

Almost surely, 2^3887944 is an apocalyptic number.

It is an amenable number.

3887944 is a deficient number, since it is larger than the sum of its proper divisors (3401966).

3887944 is a wasteful number, since it uses less digits than its factorization.

3887944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485999 (or 485995 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 3887944 is about 1971.7870067530. The cubic root of 3887944 is about 157.2437287028.

The spelling of 3887944 in words is "three million, eight hundred eighty-seven thousand, nine hundred forty-four".