9008289 has 6 divisors (see below), whose sum is σ = 13011986. Its totient is φ = 6005520.

The previous prime is 9008281. The next prime is 9008303. The reversal of 9008289 is 9828009.

It can be written as a sum of positive squares in only one way, i.e., 8381025 + 627264 = 2895^2 + 792^2 .

It is not a de Polignac number, because 9008289 - 2³ = 9008281 is a prime.

It is a super-2 number, since 2×9008289² = 162298541415042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9008281) 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, 500452 + ... + 500469.

Almost surely, 2^9008289 is an apocalyptic number.

It is an amenable number.

9008289 is a deficient number, since it is larger than the sum of its proper divisors (4003697).

9008289 is a wasteful number, since it uses less digits than its factorization.

9008289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000927 (or 1000924 counting only the distinct ones).

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

The square root of 9008289 is about 3001.3811820560. The cubic root of 9008289 is about 208.0722212840.

The spelling of 9008289 in words is "nine million, eight thousand, two hundred eighty-nine".