906289 has 2 divisors, whose sum is σ = 906290. Its totient is φ = 906288.

The previous prime is 906263. The next prime is 906293. The reversal of 906289 is 982609.

906289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 664225 + 242064 = 815^2 + 492^2 .

It is a cyclic number.

It is not a de Polignac number, because 906289 - 2¹³ = 898097 is a prime.

It is a plaindrome in base 11.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (906229) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453144 + 453145.

It is an arithmetic number, because the mean of its divisors is an integer number (453145).

2⁹⁰⁶²⁸⁹ is an apocalyptic number.

It is an amenable number.

906289 is a deficient number, since it is larger than the sum of its proper divisors (1).

906289 is an equidigital number, since it uses as much as digits as its factorization.

906289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 906289 is about 951.9921218161. The cubic root of 906289 is about 96.7733041722.

The spelling of 906289 in words is "nine hundred six thousand, two hundred eighty-nine".