4241209 has 4 divisors (see below), whose sum is σ = 4847104. Its totient is φ = 3635316.

The previous prime is 4241207. The next prime is 4241239. The reversal of 4241209 is 9021424.

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.

It is a cyclic number.

It is not a de Polignac number, because 4241209 - 2¹ = 4241207 is a prime.

It is a Duffinian number.

4241209 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4241209.

It is not an unprimeable number, because it can be changed into a prime (4241201) 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, 302937 + ... + 302950.

It is an arithmetic number, because the mean of its divisors is an integer number (1211776).

Almost surely, 2^4241209 is an apocalyptic number.

It is an amenable number.

4241209 is a deficient number, since it is larger than the sum of its proper divisors (605895).

4241209 is an equidigital number, since it uses as much as digits as its factorization.

4241209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605894.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 4241209 is about 2059.4195784250. The cubic root of 4241209 is about 161.8688289414.

The spelling of 4241209 in words is "four million, two hundred forty-one thousand, two hundred nine".