906323189 has 2 divisors, whose sum is σ = 906323190. Its totient is φ = 906323188.

The previous prime is 906323179. The next prime is 906323203. The reversal of 906323189 is 981323609.

906323189 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., 688170289 + 218152900 = 26233^2 + 14770^2 .

It is a cyclic number.

It is not a de Polignac number, because 906323189 - 2¹² = 906319093 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 (906323149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453161594 + 453161595.

It is an arithmetic number, because the mean of its divisors is an integer number (453161595).

Almost surely, 2^906323189 is an apocalyptic number.

It is an amenable number.

906323189 is a deficient number, since it is larger than the sum of its proper divisors (1).

906323189 is an equidigital number, since it uses as much as digits as its factorization.

906323189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 906323189 is about 30105.2020255636. The cubic root of 906323189 is about 967.7452105445.

The spelling of 906323189 in words is "nine hundred six million, three hundred twenty-three thousand, one hundred eighty-nine".