854689 has 4 divisors (see below), whose sum is σ = 932400. Its totient is φ = 776980.

The previous prime is 854683. The next prime is 854713. The reversal of 854689 is 986458.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 854689 - 2¹¹ = 852641 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (854683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38839 + ... + 38860.

It is an arithmetic number, because the mean of its divisors is an integer number (233100).

2⁸⁵⁴⁶⁸⁹ is an apocalyptic number.

It is an amenable number.

854689 is a deficient number, since it is larger than the sum of its proper divisors (77711).

854689 is a wasteful number, since it uses less digits than its factorization.

854689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77710.

The product of its digits is 69120, while the sum is 40.

The square root of 854689 is about 924.4939156100. The cubic root of 854689 is about 94.9006903118.

Subtracting 854689 from its reverse (986458), we obtain a square (131769 = 363²).

It can be divided in two parts, 85 and 4689, that added together give a palindrome (4774).

The spelling of 854689 in words is "eight hundred fifty-four thousand, six hundred eighty-nine".