4608909 has 6 divisors (see below), whose sum is σ = 6657326. Its totient is φ = 3072600.

The previous prime is 4608899. The next prime is 4608911. The reversal of 4608909 is 9098064.

It can be written as a sum of positive squares in only one way, i.e., 2975625 + 1633284 = 1725^2 + 1278^2 .

It is not a de Polignac number, because 4608909 - 2¹⁵ = 4576141 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 (4608949) 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 5 ways as a sum of consecutive naturals, for example, 256042 + ... + 256059.

Almost surely, 2^4608909 is an apocalyptic number.

It is an amenable number.

4608909 is a deficient number, since it is larger than the sum of its proper divisors (2048417).

4608909 is a wasteful number, since it uses less digits than its factorization.

4608909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512107 (or 512104 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 4608909 is about 2146.8369756458. The cubic root of 4608909 is about 166.4176472323.

The spelling of 4608909 in words is "four million, six hundred eight thousand, nine hundred nine".