4509349 has 4 divisors (see below), whose sum is σ = 4856236. Its totient is φ = 4162464.

The previous prime is 4509343. The next prime is 4509361. The reversal of 4509349 is 9439054.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2772225 + 1737124 = 1665^2 + 1318^2 .

It is a cyclic number.

It is not a de Polignac number, because 4509349 - 2³ = 4509341 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 (4509341) 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, 173424 + ... + 173449.

It is an arithmetic number, because the mean of its divisors is an integer number (1214059).

Almost surely, 2^4509349 is an apocalyptic number.

It is an amenable number.

4509349 is a deficient number, since it is larger than the sum of its proper divisors (346887).

4509349 is a wasteful number, since it uses less digits than its factorization.

4509349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346886.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 4509349 is about 2123.5227806642. The cubic root of 4509349 is about 165.2106156471.

The spelling of 4509349 in words is "four million, five hundred nine thousand, three hundred forty-nine".