849684907 has 2 divisors, whose sum is σ = 849684908. Its totient is φ = 849684906.

The previous prime is 849684889. The next prime is 849684911. The reversal of 849684907 is 709486948.

849684907 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-849684907 is a prime.

It is not a weakly prime, because it can be changed into another prime (849684917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424842453 + 424842454.

It is an arithmetic number, because the mean of its divisors is an integer number (424842454).

Almost surely, 2^849684907 is an apocalyptic number.

849684907 is a deficient number, since it is larger than the sum of its proper divisors (1).

849684907 is an equidigital number, since it uses as much as digits as its factorization.

849684907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The square root of 849684907 is about 29149.3551729708. The cubic root of 849684907 is about 947.1511726840.

The spelling of 849684907 in words is "eight hundred forty-nine million, six hundred eighty-four thousand, nine hundred seven".