8205489 has 8 divisors (see below), whose sum is σ = 12156320. Its totient is φ = 5470308.

The previous prime is 8205487. The next prime is 8205497. The reversal of 8205489 is 9845028.

8205489 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8205489 - 2¹ = 8205487 is a prime.

It is a Duffinian number.

8205489 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8205487) 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, 151927 + ... + 151980.

It is an arithmetic number, because the mean of its divisors is an integer number (1519540).

Almost surely, 2^8205489 is an apocalyptic number.

It is an amenable number.

8205489 is a deficient number, since it is larger than the sum of its proper divisors (3950831).

8205489 is a wasteful number, since it uses less digits than its factorization.

8205489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303916 (or 303910 counting only the distinct ones).

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

The square root of 8205489 is about 2864.5224732929. The cubic root of 8205489 is about 201.6979523289.

The spelling of 8205489 in words is "eight million, two hundred five thousand, four hundred eighty-nine".