849161 has 2 divisors, whose sum is σ = 849162. Its totient is φ = 849160.

The previous prime is 849143. The next prime is 849179. The reversal of 849161 is 161948.

849161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (849143) and next prime (849179).

It can be written as a sum of positive squares in only one way, i.e., 739600 + 109561 = 860^2 + 331^2 .

It is a cyclic number.

It is not a de Polignac number, because 849161 - 2⁶ = 849097 is a prime.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 849161.

It is not a weakly prime, because it can be changed into another prime (849131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424580 + 424581.

It is an arithmetic number, because the mean of its divisors is an integer number (424581).

2⁸⁴⁹¹⁶¹ is an apocalyptic number.

It is an amenable number.

849161 is a deficient number, since it is larger than the sum of its proper divisors (1).

849161 is an equidigital number, since it uses as much as digits as its factorization.

849161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 29.

The square root of 849161 is about 921.4993217578. The cubic root of 849161 is about 94.6956464760.

The spelling of 849161 in words is "eight hundred forty-nine thousand, one hundred sixty-one".