9089661 has 16 divisors (see below), whose sum is σ = 14028800. Its totient is φ = 5127408.

The previous prime is 9089653. The next prime is 9089687. The reversal of 9089661 is 1669809.

It is not a de Polignac number, because 9089661 - 2³ = 9089653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9089621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1081 + ... + 4398.

It is an arithmetic number, because the mean of its divisors is an integer number (876800).

Almost surely, 2^9089661 is an apocalyptic number.

It is an amenable number.

9089661 is a deficient number, since it is larger than the sum of its proper divisors (4939139).

9089661 is a wasteful number, since it uses less digits than its factorization.

9089661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5568.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 9089661 is about 3014.9064662109. The cubic root of 9089661 is about 208.6968507045.

The spelling of 9089661 in words is "nine million, eighty-nine thousand, six hundred sixty-one".