9000005 has 16 divisors (see below), whose sum is σ = 12769920. Its totient is φ = 5957952.

The previous prime is 8999993. The next prime is 9000011. The reversal of 9000005 is 5000009.

It is not a de Polignac number, because 9000005 - 2¹⁴ = 8983621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3419 + ... + 5448.

It is an arithmetic number, because the mean of its divisors is an integer number (798120).

Almost surely, 2^9000005 is an apocalyptic number.

It is an amenable number.

9000005 is a deficient number, since it is larger than the sum of its proper divisors (3769915).

9000005 is a wasteful number, since it uses less digits than its factorization.

9000005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8908.

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 9000005 is about 3000.0008333332. Note that the first 3 decimals coincide. The cubic root of 9000005 is about 208.0084208253.

The spelling of 9000005 in words is "nine million, five", and thus it is an aban number and an uban number.