906708109 has 2 divisors, whose sum is σ = 906708110. Its totient is φ = 906708108.

The previous prime is 906708029. The next prime is 906708137. The reversal of 906708109 is 901807609.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 460231209 + 446476900 = 21453^2 + 21130^2 .

It is a cyclic number.

It is not a de Polignac number, because 906708109 - 2²⁹ = 369837197 is a prime.

It is a Chen prime.

It is equal to p_46334578 and since 906708109 and 46334578 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (906708149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453354054 + 453354055.

It is an arithmetic number, because the mean of its divisors is an integer number (453354055).

Almost surely, 2^906708109 is an apocalyptic number.

It is an amenable number.

906708109 is a deficient number, since it is larger than the sum of its proper divisors (1).

906708109 is an equidigital number, since it uses as much as digits as its factorization.

906708109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 906708109 is about 30111.5942620114. The cubic root of 906708109 is about 967.8821932340.

The spelling of 906708109 in words is "nine hundred six million, seven hundred eight thousand, one hundred nine".