3409709 has 4 divisors (see below), whose sum is σ = 3482304. Its totient is φ = 3337116.

The previous prime is 3409699. The next prime is 3409711. The reversal of 3409709 is 9079043.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 3409709 - 2¹² = 3405613 is a prime.

It is a super-2 number, since 2×3409709² = 23252230929362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3409729) 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, 36227 + ... + 36320.

It is an arithmetic number, because the mean of its divisors is an integer number (870576).

Almost surely, 2^3409709 is an apocalyptic number.

It is an amenable number.

3409709 is a deficient number, since it is larger than the sum of its proper divisors (72595).

3409709 is an equidigital number, since it uses as much as digits as its factorization.

3409709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72594.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 3409709 is about 1846.5397369133. The cubic root of 3409709 is about 150.5124546817.

The spelling of 3409709 in words is "three million, four hundred nine thousand, seven hundred nine".