4968209 has 2 divisors, whose sum is σ = 4968210. Its totient is φ = 4968208.

The previous prime is 4968203. The next prime is 4968239. The reversal of 4968209 is 9028694.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4963984 + 4225 = 2228^2 + 65^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4968209 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4968203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2484104 + 2484105.

It is an arithmetic number, because the mean of its divisors is an integer number (2484105).

Almost surely, 2^4968209 is an apocalyptic number.

It is an amenable number.

4968209 is a deficient number, since it is larger than the sum of its proper divisors (1).

4968209 is an equidigital number, since it uses as much as digits as its factorization.

4968209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 4968209 is about 2228.9479581184. The cubic root of 4968209 is about 170.6344115442.

The spelling of 4968209 in words is "four million, nine hundred sixty-eight thousand, two hundred nine".