9090912 has 48 divisors (see below), whose sum is σ = 24019632. Its totient is φ = 3010560.

The previous prime is 9090901. The next prime is 9090919. The reversal of 9090912 is 2190909.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 9090912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9090919) 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 7 ways as a sum of consecutive naturals, for example, 26808 + ... + 27144.

It is an arithmetic number, because the mean of its divisors is an integer number (500409).

Almost surely, 2^9090912 is an apocalyptic number.

It is an amenable number.

9090912 is an abundant number, since it is smaller than the sum of its proper divisors (14928720).

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

9090912 is a wasteful number, since it uses less digits than its factorization.

9090912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 30.

The square root of 9090912 is about 3015.1139281957. The cubic root of 9090912 is about 208.7064245043.

The spelling of 9090912 in words is "nine million, ninety thousand, nine hundred twelve".