906630211 has 2 divisors, whose sum is σ = 906630212. Its totient is φ = 906630210.

The previous prime is 906630209. The next prime is 906630217. The reversal of 906630211 is 112036609.

It is a weak prime.

It is an emirp because it is prime and its reverse (112036609) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 906630211 - 2¹ = 906630209 is a prime.

Together with 906630209, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 906630211.

It is not a weakly prime, because it can be changed into another prime (906630217) 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 as a sum of consecutive naturals, namely, 453315105 + 453315106.

It is an arithmetic number, because the mean of its divisors is an integer number (453315106).

Almost surely, 2^906630211 is an apocalyptic number.

906630211 is a deficient number, since it is larger than the sum of its proper divisors (1).

906630211 is an equidigital number, since it uses as much as digits as its factorization.

906630211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 906630211 is about 30110.3007457581. The cubic root of 906630211 is about 967.8544745575.

The spelling of 906630211 in words is "nine hundred six million, six hundred thirty thousand, two hundred eleven".