3985934 has 16 divisors (see below), whose sum is σ = 6512400. Its totient is φ = 1822464.

The previous prime is 3985903. The next prime is 3985951. The reversal of 3985934 is 4395893.

3985934 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3985891 and 3985900.

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, 707 + ... + 2910.

It is an arithmetic number, because the mean of its divisors is an integer number (407025).

Almost surely, 2^3985934 is an apocalyptic number.

3985934 is a deficient number, since it is larger than the sum of its proper divisors (2526466).

3985934 is a wasteful number, since it uses less digits than its factorization.

3985934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3667.

The product of its digits is 116640, while the sum is 41.

The square root of 3985934 is about 1996.4804031094. The cubic root of 3985934 is about 158.5538168049.

Subtracting from 3985934 its sum of digits (41), we obtain a palindrome (3985893).

It can be divided in two parts, 39859 and 34, that added together give a palindrome (39893).

The spelling of 3985934 in words is "three million, nine hundred eighty-five thousand, nine hundred thirty-four".