9089005 has 4 divisors (see below), whose sum is σ = 10906812. Its totient is φ = 7271200.

The previous prime is 9088993. The next prime is 9089021. The reversal of 9089005 is 5009809.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6405961 + 2683044 = 2531^2 + 1638^2 .

It is not a de Polignac number, because 9089005 - 2¹⁵ = 9056237 is a prime.

It is a super-3 number, since 3×9089005³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 908896 + ... + 908905.

It is an arithmetic number, because the mean of its divisors is an integer number (2726703).

Almost surely, 2^9089005 is an apocalyptic number.

It is an amenable number.

9089005 is a deficient number, since it is larger than the sum of its proper divisors (1817807).

9089005 is a wasteful number, since it uses less digits than its factorization.

9089005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817806.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 9089005 is about 3014.7976714864. The cubic root of 9089005 is about 208.6918300396.

The spelling of 9089005 in words is "nine million, eighty-nine thousand, five".