3705009 has 32 divisors (see below), whose sum is σ = 6319104. Its totient is φ = 1874880.

The previous prime is 3704959. The next prime is 3705017. The reversal of 3705009 is 9005073.

It is not a de Polignac number, because 3705009 - 2¹⁶ = 3639473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3705009.

It is not an unprimeable number, because it can be changed into a prime (3705029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9747 + ... + 10119.

It is an arithmetic number, because the mean of its divisors is an integer number (197472).

Almost surely, 2^3705009 is an apocalyptic number.

It is an amenable number.

3705009 is a deficient number, since it is larger than the sum of its proper divisors (2614095).

3705009 is a wasteful number, since it uses less digits than its factorization.

3705009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437.

The product of its (nonzero) digits is 945, while the sum is 24.

The square root of 3705009 is about 1924.8399933501. The cubic root of 3705009 is about 154.7378015984.

The spelling of 3705009 in words is "three million, seven hundred five thousand, nine".