853984 has 12 divisors (see below), whose sum is σ = 1681344. Its totient is φ = 426976.

The previous prime is 853981. The next prime is 853999. The reversal of 853984 is 489358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13312 + ... + 13375.

It is an arithmetic number, because the mean of its divisors is an integer number (140112).

2⁸⁵³⁹⁸⁴ is an apocalyptic number.

It is an amenable number.

853984 is a deficient number, since it is larger than the sum of its proper divisors (827360).

853984 is a wasteful number, since it uses less digits than its factorization.

853984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26697 (or 26689 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 853984 is about 924.1125472582. The cubic root of 853984 is about 94.8745898273.

The spelling of 853984 in words is "eight hundred fifty-three thousand, nine hundred eighty-four".