3403509 has 4 divisors (see below), whose sum is σ = 4538016. Its totient is φ = 2269004.

The previous prime is 3403487. The next prime is 3403523. The reversal of 3403509 is 9053043.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9053043 = 3 ⋅3017681.

It is a cyclic number.

It is not a de Polignac number, because 3403509 - 2⁷ = 3403381 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3403529) 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, 567249 + ... + 567254.

It is an arithmetic number, because the mean of its divisors is an integer number (1134504).

Almost surely, 2^3403509 is an apocalyptic number.

It is an amenable number.

3403509 is a deficient number, since it is larger than the sum of its proper divisors (1134507).

3403509 is a wasteful number, since it uses less digits than its factorization.

3403509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134506.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 3403509 is about 1844.8601573019. The cubic root of 3403509 is about 150.4211718771.

The spelling of 3403509 in words is "three million, four hundred three thousand, five hundred nine".