3959009 has 8 divisors (see below), whose sum is σ = 4048392. Its totient is φ = 3870720.

The previous prime is 3959003. The next prime is 3959027. The reversal of 3959009 is 9009593.

3959009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 547600 + 3411409 = 740^2 + 1847^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3959009 - 2⁸ = 3958753 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3959009.

It is not an unprimeable number, because it can be changed into a prime (3959003) 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, 13949 + ... + 14229.

It is an arithmetic number, because the mean of its divisors is an integer number (506049).

Almost surely, 2^3959009 is an apocalyptic number.

It is an amenable number.

3959009 is a deficient number, since it is larger than the sum of its proper divisors (89383).

3959009 is a wasteful number, since it uses less digits than its factorization.

3959009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547.

The product of its (nonzero) digits is 10935, while the sum is 35.

The square root of 3959009 is about 1989.7258605145. The cubic root of 3959009 is about 158.1959993512.

The spelling of 3959009 in words is "three million, nine hundred fifty-nine thousand, nine".