3965785 has 8 divisors (see below), whose sum is σ = 4769856. Its totient is φ = 3165360.

The previous prime is 3965783. The next prime is 3965789. The reversal of 3965785 is 5875693.

3965785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3965785 - 2¹ = 3965783 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3965783) 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 7 ways as a sum of consecutive naturals, for example, 3090 + ... + 4180.

It is an arithmetic number, because the mean of its divisors is an integer number (596232).

Almost surely, 2^3965785 is an apocalyptic number.

It is an amenable number.

3965785 is a deficient number, since it is larger than the sum of its proper divisors (804071).

3965785 is a wasteful number, since it uses less digits than its factorization.

3965785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823.

The product of its digits is 226800, while the sum is 43.

The square root of 3965785 is about 1991.4278796883. The cubic root of 3965785 is about 158.2862008064.

The spelling of 3965785 in words is "three million, nine hundred sixty-five thousand, seven hundred eighty-five".