904686089 has 2 divisors, whose sum is σ = 904686090. Its totient is φ = 904686088.

The previous prime is 904686067. The next prime is 904686143. The reversal of 904686089 is 980686409.

904686089 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., 901200400 + 3485689 = 30020^2 + 1867^2 .

It is a cyclic number.

It is not a de Polignac number, because 904686089 - 2¹⁶ = 904620553 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (904686049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452343044 + 452343045.

It is an arithmetic number, because the mean of its divisors is an integer number (452343045).

Almost surely, 2^904686089 is an apocalyptic number.

It is an amenable number.

904686089 is a deficient number, since it is larger than the sum of its proper divisors (1).

904686089 is an equidigital number, since it uses as much as digits as its factorization.

904686089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 50.

The square root of 904686089 is about 30078.0000831172. Note that the first 4 decimals coincide. The cubic root of 904686089 is about 967.1621769676.

The spelling of 904686089 in words is "nine hundred four million, six hundred eighty-six thousand, eighty-nine".