4609805 has 16 divisors (see below), whose sum is σ = 5908464. Its totient is φ = 3440640.

The previous prime is 4609783. The next prime is 4609849. The reversal of 4609805 is 5089064.

It can be written as a sum of positive squares in 8 ways, for example, as 4489 + 4605316 = 67^2 + 2146^2 .

It is not a de Polignac number, because 4609805 - 2¹² = 4605709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 16265 + ... + 16545.

It is an arithmetic number, because the mean of its divisors is an integer number (369279).

Almost surely, 2^4609805 is an apocalyptic number.

It is an amenable number.

4609805 is a deficient number, since it is larger than the sum of its proper divisors (1298659).

4609805 is a wasteful number, since it uses less digits than its factorization.

4609805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 4609805 is about 2147.0456446010. The cubic root of 4609805 is about 166.4284307352.

The spelling of 4609805 in words is "four million, six hundred nine thousand, eight hundred five".