9904589 has 2 divisors, whose sum is σ = 9904590. Its totient is φ = 9904588.

The previous prime is 9904579. The next prime is 9904613. The reversal of 9904589 is 9854099.

9904589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7155625 + 2748964 = 2675^2 + 1658^2 .

It is a cyclic number.

It is not a de Polignac number, because 9904589 - 2⁸ = 9904333 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9904519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4952294 + 4952295.

It is an arithmetic number, because the mean of its divisors is an integer number (4952295).

Almost surely, 2^9904589 is an apocalyptic number.

It is an amenable number.

9904589 is a deficient number, since it is larger than the sum of its proper divisors (1).

9904589 is an equidigital number, since it uses as much as digits as its factorization.

9904589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 9904589 is about 3147.1556999932. The cubic root of 9904589 is about 214.7560889980.

The spelling of 9904589 in words is "nine million, nine hundred four thousand, five hundred eighty-nine".