9008641 has 8 divisors (see below), whose sum is σ = 9525600. Its totient is φ = 8496000.

The previous prime is 9008639. The next prime is 9008687. The reversal of 9008641 is 1468009.

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

It is a cyclic number.

It is not a de Polignac number, because 9008641 - 2¹ = 9008639 is a prime.

It is a super-2 number, since 2×9008641² = 162311225333762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9008141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3825 + ... + 5713.

It is an arithmetic number, because the mean of its divisors is an integer number (1190700).

Almost surely, 2^9008641 is an apocalyptic number.

It is an amenable number.

9008641 is a deficient number, since it is larger than the sum of its proper divisors (516959).

9008641 is a wasteful number, since it uses less digits than its factorization.

9008641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 9008641 is about 3001.4398211525. The cubic root of 9008641 is about 208.0749313979.

The spelling of 9008641 in words is "nine million, eight thousand, six hundred forty-one".