9008920 has 16 divisors (see below), whose sum is σ = 20270160. Its totient is φ = 3603552.

The previous prime is 9008911. The next prime is 9008921. The reversal of 9008920 is 298009.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9008921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112572 + ... + 112651.

It is an arithmetic number, because the mean of its divisors is an integer number (1266885).

Almost surely, 2^9008920 is an apocalyptic number.

It is an amenable number.

9008920 is an abundant number, since it is smaller than the sum of its proper divisors (11261240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9008920 is a wasteful number, since it uses less digits than its factorization.

9008920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225234 (or 225230 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 9008920 is about 3001.4862984861. The cubic root of 9008920 is about 208.0770794210.

It can be divided in two parts, 90089 and 20, that added together give a palindrome (90109).

The spelling of 9008920 in words is "nine million, eight thousand, nine hundred twenty".