3985746 has 16 divisors (see below), whose sum is σ = 7992000. Its totient is φ = 1325168.

The previous prime is 3985721. The next prime is 3985777. The reversal of 3985746 is 6475893.

It is a happy number.

3985746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3985698 and 3985707.

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, 3040 + ... + 4148.

It is an arithmetic number, because the mean of its divisors is an integer number (499500).

Almost surely, 2^3985746 is an apocalyptic number.

3985746 is an abundant number, since it is smaller than the sum of its proper divisors (4006254).

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

3985746 is a wasteful number, since it uses less digits than its factorization.

3985746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713.

The product of its digits is 181440, while the sum is 42.

The square root of 3985746 is about 1996.4333196979. The cubic root of 3985746 is about 158.5513239900.

It can be divided in two parts, 39857 and 46, that added together give a triangular number (39903 = T₂₈₂).

The spelling of 3985746 in words is "three million, nine hundred eighty-five thousand, seven hundred forty-six".