3985933 has 4 divisors (see below), whose sum is σ = 4555360. Its totient is φ = 3416508.

The previous prime is 3985903. The next prime is 3985951. The reversal of 3985933 is 3395893.

3985933 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3985933 - 2¹³ = 3977741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3985903) 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 in 3 ways as a sum of consecutive naturals, for example, 284703 + ... + 284716.

It is an arithmetic number, because the mean of its divisors is an integer number (1138840).

Almost surely, 2^3985933 is an apocalyptic number.

It is an amenable number.

3985933 is a deficient number, since it is larger than the sum of its proper divisors (569427).

3985933 is an equidigital number, since it uses as much as digits as its factorization.

3985933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569426.

The product of its digits is 87480, while the sum is 40.

The square root of 3985933 is about 1996.4801526687. The cubic root of 3985933 is about 158.5538035454.

Subtracting from 3985933 its sum of digits (40), we obtain a palindrome (3985893).

The spelling of 3985933 in words is "three million, nine hundred eighty-five thousand, nine hundred thirty-three".