854849 has 2 divisors, whose sum is σ = 854850. Its totient is φ = 854848.

The previous prime is 854807. The next prime is 854869. The reversal of 854849 is 948458.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 801025 + 53824 = 895^2 + 232^2 .

It is a cyclic number.

It is not a de Polignac number, because 854849 - 2⁸ = 854593 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (854869) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427424 + 427425.

It is an arithmetic number, because the mean of its divisors is an integer number (427425).

2⁸⁵⁴⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

854849 is a deficient number, since it is larger than the sum of its proper divisors (1).

854849 is an equidigital number, since it uses as much as digits as its factorization.

854849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 38.

The square root of 854849 is about 924.5804453913. The cubic root of 854849 is about 94.9066118275.

The spelling of 854849 in words is "eight hundred fifty-four thousand, eight hundred forty-nine".