3993625 has 16 divisors (see below), whose sum is σ = 5106816. Its totient is φ = 3116400.

The previous prime is 3993617. The next prime is 3993631. The reversal of 3993625 is 5263993.

3993625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3993625 - 2³ = 3993617 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 5004 + ... + 5746.

It is an arithmetic number, because the mean of its divisors is an integer number (319176).

Almost surely, 2^3993625 is an apocalyptic number.

It is an amenable number.

3993625 is a deficient number, since it is larger than the sum of its proper divisors (1113191).

3993625 is an equidigital number, since it uses as much as digits as its factorization.

3993625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801 (or 791 counting only the distinct ones).

The product of its digits is 43740, while the sum is 37.

The square root of 3993625 is about 1998.4056144837. The cubic root of 3993625 is about 158.6557296756.

The spelling of 3993625 in words is "three million, nine hundred ninety-three thousand, six hundred twenty-five".