3977936 has 10 divisors (see below), whose sum is σ = 7707282. Its totient is φ = 1988960.

The previous prime is 3977933. The next prime is 3977947. The reversal of 3977936 is 6397793.

3977936 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., 3400336 + 577600 = 1844^2 + 760^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3977933) 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, 124295 + ... + 124326.

Almost surely, 2^3977936 is an apocalyptic number.

It is an amenable number.

3977936 is a deficient number, since it is larger than the sum of its proper divisors (3729346).

3977936 is a wasteful number, since it uses less digits than its factorization.

3977936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248629 (or 248623 counting only the distinct ones).

The product of its digits is 214326, while the sum is 44.

The square root of 3977936 is about 1994.4763723845. The cubic root of 3977936 is about 158.4476967542.

It can be divided in two parts, 3977 and 936, that added together give a cube (4913 = 17³).

The spelling of 3977936 in words is "three million, nine hundred seventy-seven thousand, nine hundred thirty-six".