9004421 has 8 divisors (see below), whose sum is σ = 9184224. Its totient is φ = 8826480.

The previous prime is 9004399. The next prime is 9004451. The reversal of 9004421 is 1244009.

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 9004421 - 2¹⁴ = 8988037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9004393 and 9004402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9004451) 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, 12686 + ... + 13376.

It is an arithmetic number, because the mean of its divisors is an integer number (1148028).

Almost surely, 2^9004421 is an apocalyptic number.

It is an amenable number.

9004421 is a deficient number, since it is larger than the sum of its proper divisors (179803).

9004421 is a wasteful number, since it uses less digits than its factorization.

9004421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 9004421 is about 3000.7367428683. The cubic root of 9004421 is about 208.0424361764.

The spelling of 9004421 in words is "nine million, four thousand, four hundred twenty-one".