9108009 has 12 divisors (see below), whose sum is σ = 13292916. Its totient is φ = 6008832.

The previous prime is 9107999. The next prime is 9108061. The reversal of 9108009 is 9008019.

9108009 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4995225 + 4112784 = 2235^2 + 2028^2 .

It is not a de Polignac number, because 9108009 - 2⁷ = 9107881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9108509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4344 + ... + 6089.

It is an arithmetic number, because the mean of its divisors is an integer number (1107743).

Almost surely, 2^9108009 is an apocalyptic number.

It is an amenable number.

9108009 is a deficient number, since it is larger than the sum of its proper divisors (4184907).

9108009 is a wasteful number, since it uses less digits than its factorization.

9108009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10536 (or 10533 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 9108009 is about 3017.9478126701. The cubic root of 9108009 is about 208.8371784988.

The spelling of 9108009 in words is "nine million, one hundred eight thousand, nine".