854647 has 2 divisors, whose sum is σ = 854648. Its totient is φ = 854646.

The previous prime is 854629. The next prime is 854683. The reversal of 854647 is 746458.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 854647 - 2¹⁵ = 821879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (854617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427323 + 427324.

It is an arithmetic number, because the mean of its divisors is an integer number (427324).

2⁸⁵⁴⁶⁴⁷ is an apocalyptic number.

854647 is a deficient number, since it is larger than the sum of its proper divisors (1).

854647 is an equidigital number, since it uses as much as digits as its factorization.

854647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 34.

The square root of 854647 is about 924.4712002004. The cubic root of 854647 is about 94.8991357914.

The spelling of 854647 in words is "eight hundred fifty-four thousand, six hundred forty-seven".