3965039 has 16 divisors (see below), whose sum is σ = 4536000. Its totient is φ = 3438336.

The previous prime is 3965033. The next prime is 3965041. The reversal of 3965039 is 9305693.

3965039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3965039 - 2⁴ = 3965023 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 (3965033) 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 15 ways as a sum of consecutive naturals, for example, 26537 + ... + 26685.

It is an arithmetic number, because the mean of its divisors is an integer number (283500).

Almost surely, 2^3965039 is an apocalyptic number.

3965039 is a deficient number, since it is larger than the sum of its proper divisors (570961).

3965039 is a wasteful number, since it uses less digits than its factorization.

3965039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274.

The product of its (nonzero) digits is 21870, while the sum is 35.

The square root of 3965039 is about 1991.2405680881. The cubic root of 3965039 is about 158.2762751623.

The spelling of 3965039 in words is "three million, nine hundred sixty-five thousand, thirty-nine".