3406609 has 4 divisors (see below), whose sum is σ = 3416116. Its totient is φ = 3397104.

The previous prime is 3406591. The next prime is 3406619. The reversal of 3406609 is 9066043.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2310400 + 1096209 = 1520^2 + 1047^2 .

It is a cyclic number.

It is not a de Polignac number, because 3406609 - 2¹⁷ = 3275537 is a prime.

It is a Duffinian number.

3406609 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3406619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4194 + ... + 4939.

It is an arithmetic number, because the mean of its divisors is an integer number (854029).

Almost surely, 2^3406609 is an apocalyptic number.

It is an amenable number.

3406609 is a deficient number, since it is larger than the sum of its proper divisors (9507).

3406609 is an equidigital number, since it uses as much as digits as its factorization.

3406609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9506.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 3406609 is about 1845.7001381590. The cubic root of 3406609 is about 150.4668271239.

The spelling of 3406609 in words is "three million, four hundred six thousand, six hundred nine".