8009289 has 6 divisors (see below), whose sum is σ = 11568986. Its totient is φ = 5339520.

The previous prime is 8009237. The next prime is 8009291. The reversal of 8009289 is 9829008.

It can be written as a sum of positive squares in only one way, i.e., 4549689 + 3459600 = 2133^2 + 1860^2 .

It is not a de Polignac number, because 8009289 - 2⁷ = 8009161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8009219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 444952 + ... + 444969.

Almost surely, 2^8009289 is an apocalyptic number.

It is an amenable number.

8009289 is a deficient number, since it is larger than the sum of its proper divisors (3559697).

8009289 is a wasteful number, since it uses less digits than its factorization.

8009289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889927 (or 889924 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 8009289 is about 2830.0687270807. The cubic root of 8009289 is about 200.0773783924.

The spelling of 8009289 in words is "eight million, nine thousand, two hundred eighty-nine".