4506909 has 8 divisors (see below), whose sum is σ = 6555552. Its totient is φ = 2731440.

The previous prime is 4506907. The next prime is 4506913. The reversal of 4506909 is 9096054.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4506909 - 2¹ = 4506907 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 136573 = 4506909 / (4 + 5 + 0 + 6 + 9 + 0 + 9).

It is a self number, because there is not a number n which added to its sum of digits gives 4506909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4506907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68254 + ... + 68319.

It is an arithmetic number, because the mean of its divisors is an integer number (819444).

Almost surely, 2^4506909 is an apocalyptic number.

It is an amenable number.

4506909 is a deficient number, since it is larger than the sum of its proper divisors (2048643).

4506909 is a wasteful number, since it uses less digits than its factorization.

4506909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136587.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 4506909 is about 2122.9481858962. The cubic root of 4506909 is about 165.1808118896.

The spelling of 4506909 in words is "four million, five hundred six thousand, nine hundred nine".