8485209 has 8 divisors (see below), whose sum is σ = 12570720. Its totient is φ = 5656788.

The previous prime is 8485201. The next prime is 8485219. The reversal of 8485209 is 9025848.

It is not a de Polignac number, because 8485209 - 2³ = 8485201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8485201) 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 7 ways as a sum of consecutive naturals, for example, 157107 + ... + 157160.

It is an arithmetic number, because the mean of its divisors is an integer number (1571340).

Almost surely, 2^8485209 is an apocalyptic number.

It is an amenable number.

8485209 is a deficient number, since it is larger than the sum of its proper divisors (4085511).

8485209 is a wasteful number, since it uses less digits than its factorization.

8485209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314276 (or 314270 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 8485209 is about 2912.9382073776. The cubic root of 8485209 is about 203.9643103655.

The spelling of 8485209 in words is "eight million, four hundred eighty-five thousand, two hundred nine".