853655 has 24 divisors (see below), whose sum is σ = 1206576. Its totient is φ = 577280.

The previous prime is 853637. The next prime is 853663. The reversal of 853655 is 556358.

853655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 853655 - 2¹⁴ = 837271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 853655.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10244 + ... + 10326.

It is an arithmetic number, because the mean of its divisors is an integer number (50274).

2⁸⁵³⁶⁵⁵ is an apocalyptic number.

853655 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

853655 is a deficient number, since it is larger than the sum of its proper divisors (352921).

853655 is a wasteful number, since it uses less digits than its factorization.

853655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 116 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The square root of 853655 is about 923.9345214895. The cubic root of 853655 is about 94.8624046852.

The spelling of 853655 in words is "eight hundred fifty-three thousand, six hundred fifty-five".