3938744 has 16 divisors (see below), whose sum is σ = 7426320. Its totient is φ = 1958400.

The previous prime is 3938743. The next prime is 3938771. The reversal of 3938744 is 4478393.

3938744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3938698 and 3938707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3938743) 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, 269 + ... + 2819.

It is an arithmetic number, because the mean of its divisors is an integer number (464145).

Almost surely, 2^3938744 is an apocalyptic number.

It is an amenable number.

3938744 is a deficient number, since it is larger than the sum of its proper divisors (3487576).

3938744 is a wasteful number, since it uses less digits than its factorization.

3938744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750 (or 2746 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 3938744 is about 1984.6269170804. The cubic root of 3938744 is about 157.9256179287.

It can be divided in two parts, 39 and 38744, that added together give a palindrome (38783).

The spelling of 3938744 in words is "three million, nine hundred thirty-eight thousand, seven hundred forty-four".