853684 has 12 divisors (see below), whose sum is σ = 1608964. Its totient is φ = 393984.

The previous prime is 853669. The next prime is 853687. The reversal of 853684 is 486358.

It can be written as a sum of positive squares in 2 ways, for example, as 168100 + 685584 = 410^2 + 828^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853687) 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, 8157 + ... + 8260.

2⁸⁵³⁶⁸⁴ is an apocalyptic number.

It is an amenable number.

853684 is a deficient number, since it is larger than the sum of its proper divisors (755280).

853684 is a wasteful number, since it uses less digits than its factorization.

853684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16434 (or 16432 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 853684 is about 923.9502151090. The cubic root of 853684 is about 94.8634788813.

The spelling of 853684 in words is "eight hundred fifty-three thousand, six hundred eighty-four".