3993936 has 20 divisors (see below), whose sum is σ = 10317792. Its totient is φ = 1331296.

The previous prime is 3993911. The next prime is 3993943. The reversal of 3993936 is 6393993.

3993936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 41556 + ... + 41651.

Almost surely, 2^3993936 is an apocalyptic number.

It is an amenable number.

3993936 is an abundant number, since it is smaller than the sum of its proper divisors (6323856).

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

3993936 is a wasteful number, since it uses less digits than its factorization.

3993936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83218 (or 83212 counting only the distinct ones).

The product of its digits is 118098, while the sum is 42.

The square root of 3993936 is about 1998.4834250001. The cubic root of 3993936 is about 158.6598479600.

The spelling of 3993936 in words is "three million, nine hundred ninety-three thousand, nine hundred thirty-six".