3420609 has 4 divisors (see below), whose sum is σ = 4560816. Its totient is φ = 2280404.

The previous prime is 3420601. The next prime is 3420617. The reversal of 3420609 is 9060243.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (3420601) and next prime (3420617).

It is a cyclic number.

It is not a de Polignac number, because 3420609 - 2³ = 3420601 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3420601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570099 + ... + 570104.

It is an arithmetic number, because the mean of its divisors is an integer number (1140204).

Almost surely, 2^3420609 is an apocalyptic number.

It is an amenable number.

3420609 is a deficient number, since it is larger than the sum of its proper divisors (1140207).

3420609 is a wasteful number, since it uses less digits than its factorization.

3420609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140206.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 3420609 is about 1849.4888483038. The cubic root of 3420609 is about 150.6726678329.

The spelling of 3420609 in words is "three million, four hundred twenty thousand, six hundred nine".