9004389 has 4 divisors (see below), whose sum is σ = 12005856. Its totient is φ = 6002924.

The previous prime is 9004367. The next prime is 9004399. The reversal of 9004389 is 9834009.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9004389 - 2⁹ = 9003877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9004319) 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 3 ways as a sum of consecutive naturals, for example, 1500729 + ... + 1500734.

It is an arithmetic number, because the mean of its divisors is an integer number (3001464).

Almost surely, 2^9004389 is an apocalyptic number.

It is an amenable number.

9004389 is a deficient number, since it is larger than the sum of its proper divisors (3001467).

9004389 is a wasteful number, since it uses less digits than its factorization.

9004389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3001466.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 9004389 is about 3000.7314108397. The cubic root of 9004389 is about 208.0421897283.

The spelling of 9004389 in words is "nine million, four thousand, three hundred eighty-nine".