4845209 has 8 divisors (see below), whose sum is σ = 5124480. Its totient is φ = 4568400.

The previous prime is 4845199. The next prime is 4845241. The reversal of 4845209 is 9025484.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4845209 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 (4845259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4679 + ... + 5619.

It is an arithmetic number, because the mean of its divisors is an integer number (640560).

Almost surely, 2^4845209 is an apocalyptic number.

It is an amenable number.

4845209 is a deficient number, since it is larger than the sum of its proper divisors (279271).

4845209 is a wasteful number, since it uses less digits than its factorization.

4845209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 4845209 is about 2201.1835452774. The cubic root of 4845209 is about 169.2144727526.

The spelling of 4845209 in words is "four million, eight hundred forty-five thousand, two hundred nine".