3423509 has 4 divisors (see below), whose sum is σ = 3427500. Its totient is φ = 3419520.

The previous prime is 3423487. The next prime is 3423517. The reversal of 3423509 is 9053243.

3423509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1203409 + 2220100 = 1097^2 + 1490^2 .

It is a cyclic number.

It is not a de Polignac number, because 3423509 - 2¹² = 3419413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3423529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122 + ... + 2619.

It is an arithmetic number, because the mean of its divisors is an integer number (856875).

Almost surely, 2^3423509 is an apocalyptic number.

It is an amenable number.

3423509 is a deficient number, since it is larger than the sum of its proper divisors (3991).

3423509 is a wasteful number, since it uses less digits than its factorization.

3423509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3990.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 3423509 is about 1850.2726826065. The cubic root of 3423509 is about 150.7152360142.

The spelling of 3423509 in words is "three million, four hundred twenty-three thousand, five hundred nine".