3889936 has 10 divisors (see below), whose sum is σ = 7536782. Its totient is φ = 1944960.

The previous prime is 3889933. The next prime is 3889937. The reversal of 3889936 is 6399883.

3889936 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., 3459600 + 430336 = 1860^2 + 656^2 .

It is not an unprimeable number, because it can be changed into a prime (3889933) 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 as a sum of consecutive naturals, namely, 121545 + ... + 121576.

Almost surely, 2^3889936 is an apocalyptic number.

It is an amenable number.

3889936 is a deficient number, since it is larger than the sum of its proper divisors (3646846).

3889936 is a wasteful number, since it uses less digits than its factorization.

3889936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243129 (or 243123 counting only the distinct ones).

The product of its digits is 279936, while the sum is 46.

The square root of 3889936 is about 1972.2920676208. The cubic root of 3889936 is about 157.2705788862.

Subtracting from 3889936 its product of digits (279936), we obtain a square (3610000 = 1900²).

The spelling of 3889936 in words is "three million, eight hundred eighty-nine thousand, nine hundred thirty-six".