9008661 has 8 divisors (see below), whose sum is σ = 12074560. Its totient is φ = 5974272.

The previous prime is 9008639. The next prime is 9008687. The reversal of 9008661 is 1668009.

9008661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9008661 - 2²² = 4814357 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 (9008761) 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, 7201 + ... + 8358.

It is an arithmetic number, because the mean of its divisors is an integer number (1509320).

Almost surely, 2^9008661 is an apocalyptic number.

It is an amenable number.

9008661 is a deficient number, since it is larger than the sum of its proper divisors (3065899).

9008661 is a wasteful number, since it uses less digits than its factorization.

9008661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15755.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 9008661 is about 3001.4431528850. The cubic root of 9008661 is about 208.0750853795.

It can be divided in two parts, 9008 and 661, that added together give a palindrome (9669).

The spelling of 9008661 in words is "nine million, eight thousand, six hundred sixty-one".