4613809 has 8 divisors (see below), whose sum is σ = 4732992. Its totient is φ = 4495920.

The previous prime is 4613803. The next prime is 4613881. The reversal of 4613809 is 9083164.

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

It is a cyclic number.

It is not a de Polignac number, because 4613809 - 2¹³ = 4605617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4613803) 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 7 ways as a sum of consecutive naturals, for example, 13774 + ... + 14104.

It is an arithmetic number, because the mean of its divisors is an integer number (591624).

Almost surely, 2^4613809 is an apocalyptic number.

It is an amenable number.

4613809 is a deficient number, since it is larger than the sum of its proper divisors (119183).

4613809 is a wasteful number, since it uses less digits than its factorization.

4613809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 4613809 is about 2147.9778862921. The cubic root of 4613809 is about 166.4766024471.

The spelling of 4613809 in words is "four million, six hundred thirteen thousand, eight hundred nine".