3429509 has 2 divisors, whose sum is σ = 3429510. Its totient is φ = 3429508.

The previous prime is 3429487. The next prime is 3429523. The reversal of 3429509 is 9059243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2316484 + 1113025 = 1522^2 + 1055^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3429509 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3429589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1714754 + 1714755.

It is an arithmetic number, because the mean of its divisors is an integer number (1714755).

Almost surely, 2^3429509 is an apocalyptic number.

It is an amenable number.

3429509 is a deficient number, since it is larger than the sum of its proper divisors (1).

3429509 is an equidigital number, since it uses as much as digits as its factorization.

3429509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 3429509 is about 1851.8933554608. The cubic root of 3429509 is about 150.8032318538.

The spelling of 3429509 in words is "three million, four hundred twenty-nine thousand, five hundred nine".