4169609 has 2 divisors, whose sum is σ = 4169610. Its totient is φ = 4169608.

The previous prime is 4169603. The next prime is 4169621. The reversal of 4169609 is 9069614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3534400 + 635209 = 1880^2 + 797^2 .

It is a cyclic number.

It is not a de Polignac number, because 4169609 - 2²⁰ = 3121033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4169603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2084804 + 2084805.

It is an arithmetic number, because the mean of its divisors is an integer number (2084805).

Almost surely, 2^4169609 is an apocalyptic number.

It is an amenable number.

4169609 is a deficient number, since it is larger than the sum of its proper divisors (1).

4169609 is an equidigital number, since it uses as much as digits as its factorization.

4169609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 4169609 is about 2041.9620466600. The cubic root of 4169609 is about 160.9527657433.

The spelling of 4169609 in words is "four million, one hundred sixty-nine thousand, six hundred nine".