906685853 has 2 divisors, whose sum is σ = 906685854. Its totient is φ = 906685852.

The previous prime is 906685781. The next prime is 906685889. The reversal of 906685853 is 358586609.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 795973369 + 110712484 = 28213^2 + 10522^2 .

It is a cyclic number.

It is not a de Polignac number, because 906685853 - 2¹⁴ = 906669469 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 (906685253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453342926 + 453342927.

It is an arithmetic number, because the mean of its divisors is an integer number (453342927).

Almost surely, 2^906685853 is an apocalyptic number.

It is an amenable number.

906685853 is a deficient number, since it is larger than the sum of its proper divisors (1).

906685853 is an equidigital number, since it uses as much as digits as its factorization.

906685853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The square root of 906685853 is about 30111.2247010978. The cubic root of 906685853 is about 967.8742739775.

The spelling of 906685853 in words is "nine hundred six million, six hundred eighty-five thousand, eight hundred fifty-three".