4955209 has 4 divisors (see below), whose sum is σ = 5663104. Its totient is φ = 4247316.

The previous prime is 4955179. The next prime is 4955221. The reversal of 4955209 is 9025594.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9025594 = 2 ⋅4512797.

It is a cyclic number.

It is not a de Polignac number, because 4955209 - 2⁷ = 4955081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4955809) 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, 353937 + ... + 353950.

It is an arithmetic number, because the mean of its divisors is an integer number (1415776).

Almost surely, 2^4955209 is an apocalyptic number.

It is an amenable number.

4955209 is a deficient number, since it is larger than the sum of its proper divisors (707895).

4955209 is an equidigital number, since it uses as much as digits as its factorization.

4955209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707894.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 4955209 is about 2226.0298740134. The cubic root of 4955209 is about 170.4854521002.

The spelling of 4955209 in words is "four million, nine hundred fifty-five thousand, two hundred nine".