3993628 has 24 divisors (see below), whose sum is σ = 7394688. Its totient is φ = 1883376.

The previous prime is 3993617. The next prime is 3993631. The reversal of 3993628 is 8263993.

3993628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

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 7 ways as a sum of consecutive naturals, for example, 7375 + ... + 7897.

It is an arithmetic number, because the mean of its divisors is an integer number (308112).

Almost surely, 2^3993628 is an apocalyptic number.

It is an amenable number.

3993628 is a deficient number, since it is larger than the sum of its proper divisors (3401060).

3993628 is a wasteful number, since it uses less digits than its factorization.

3993628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633 (or 631 counting only the distinct ones).

The product of its digits is 69984, while the sum is 40.

The square root of 3993628 is about 1998.4063650819. The cubic root of 3993628 is about 158.6557694028.

The spelling of 3993628 in words is "three million, nine hundred ninety-three thousand, six hundred twenty-eight".