9081688 has 64 divisors (see below), whose sum is σ = 22187520. Its totient is φ = 3379200.

The previous prime is 9081661. The next prime is 9081703. The reversal of 9081688 is 8861809.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 9081688.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13848 + ... + 14488.

It is an arithmetic number, because the mean of its divisors is an integer number (346680).

Almost surely, 2^9081688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9081688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11093760).

9081688 is an abundant number, since it is smaller than the sum of its proper divisors (13105832).

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

9081688 is a wasteful number, since it uses less digits than its factorization.

9081688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 9081688 is about 3013.5839128851. The cubic root of 9081688 is about 208.6358133444.

The spelling of 9081688 in words is "nine million, eighty-one thousand, six hundred eighty-eight".