853854 has 16 divisors (see below), whose sum is σ = 1725840. Its totient is φ = 281600.

The previous prime is 853843. The next prime is 853873. The reversal of 853854 is 458358.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

853854 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 in 7 ways as a sum of consecutive naturals, for example, 99 + ... + 1310.

It is an arithmetic number, because the mean of its divisors is an integer number (107865).

2⁸⁵³⁸⁵⁴ is an apocalyptic number.

853854 is an abundant number, since it is smaller than the sum of its proper divisors (871986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

853854 is a wasteful number, since it uses less digits than its factorization.

853854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515.

The product of its digits is 19200, while the sum is 33.

The square root of 853854 is about 924.0422068282. The cubic root of 853854 is about 94.8697754036.

Multiplying 853854 by its sum of digits (33), we get a palindrome (28177182).

The spelling of 853854 in words is "eight hundred fifty-three thousand, eight hundred fifty-four".