4609813 has 6 divisors (see below), whose sum is σ = 4991874. Its totient is φ = 4255056.

The previous prime is 4609783. The next prime is 4609849. The reversal of 4609813 is 3189064.

It can be written as a sum of positive squares in 3 ways, for example, as 106929 + 4502884 = 327^2 + 2122^2 .

It is not a de Polignac number, because 4609813 - 2⁹ = 4609301 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4609013) 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, 13470 + ... + 13807.

It is an arithmetic number, because the mean of its divisors is an integer number (831979).

Almost surely, 2^4609813 is an apocalyptic number.

It is an amenable number.

4609813 is a deficient number, since it is larger than the sum of its proper divisors (382061).

4609813 is a wasteful number, since it uses less digits than its factorization.

4609813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27303 (or 27290 counting only the distinct ones).

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

The square root of 4609813 is about 2147.0475076253. The cubic root of 4609813 is about 166.4285270102.

The spelling of 4609813 in words is "four million, six hundred nine thousand, eight hundred thirteen".