3704009 has 2 divisors, whose sum is σ = 3704010. Its totient is φ = 3704008.

The previous prime is 3704003. The next prime is 3704017. The reversal of 3704009 is 9004073.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3433609 + 270400 = 1853^2 + 520^2 .

It is a cyclic number.

It is not a de Polignac number, because 3704009 - 2⁸ = 3703753 is a prime.

It is not a weakly prime, because it can be changed into another prime (3704003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1852004 + 1852005.

It is an arithmetic number, because the mean of its divisors is an integer number (1852005).

Almost surely, 2^3704009 is an apocalyptic number.

It is an amenable number.

3704009 is a deficient number, since it is larger than the sum of its proper divisors (1).

3704009 is an equidigital number, since it uses as much as digits as its factorization.

3704009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 3704009 is about 1924.5802139688. The cubic root of 3704009 is about 154.7238788499.

The spelling of 3704009 in words is "three million, seven hundred four thousand, nine".