4859609 has 4 divisors (see below), whose sum is σ = 4881060. Its totient is φ = 4838160.

The previous prime is 4859597. The next prime is 4859627. The reversal of 4859609 is 9069584.

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 4609609 + 250000 = 2147^2 + 500^2 .

It is a cyclic number.

It is not a de Polignac number, because 4859609 - 2⁴ = 4859593 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4859629) 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, 10382 + ... + 10839.

It is an arithmetic number, because the mean of its divisors is an integer number (1220265).

Almost surely, 2^4859609 is an apocalyptic number.

It is an amenable number.

4859609 is a deficient number, since it is larger than the sum of its proper divisors (21451).

4859609 is a wasteful number, since it uses less digits than its factorization.

4859609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21450.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 4859609 is about 2204.4520861203. The cubic root of 4859609 is about 169.3819425448.

The spelling of 4859609 in words is "four million, eight hundred fifty-nine thousand, six hundred nine".