3863944 has 24 divisors (see below), whose sum is σ = 8428590. Its totient is φ = 1655808.

The previous prime is 3863911. The next prime is 3863971. The reversal of 3863944 is 4493683.

It can be written as a sum of positive squares in only one way, i.e., 3467044 + 396900 = 1862^2 + 630^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4537 + ... + 5320.

Almost surely, 2^3863944 is an apocalyptic number.

It is an amenable number.

3863944 is an abundant number, since it is smaller than the sum of its proper divisors (4564646).

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

3863944 is a wasteful number, since it uses less digits than its factorization.

3863944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9877 (or 9866 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The square root of 3863944 is about 1965.6917357511. The cubic root of 3863944 is about 156.9195092299.

It can be divided in two parts, 38639 and 44, that added together give a palindrome (38683).

The spelling of 3863944 in words is "three million, eight hundred sixty-three thousand, nine hundred forty-four".