853835 has 4 divisors (see below), whose sum is σ = 1024608. Its totient is φ = 683064.

The previous prime is 853823. The next prime is 853837. The reversal of 853835 is 538358.

853835 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 538358 = 2 ⋅269179.

It is a cyclic number.

It is not a de Polignac number, because 853835 - 2⁴ = 853819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (853837) 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, 85379 + ... + 85388.

It is an arithmetic number, because the mean of its divisors is an integer number (256152).

2⁸⁵³⁸³⁵ is an apocalyptic number.

853835 is a deficient number, since it is larger than the sum of its proper divisors (170773).

853835 is a wasteful number, since it uses less digits than its factorization.

853835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170772.

The product of its digits is 14400, while the sum is 32.

The square root of 853835 is about 924.0319258554. The cubic root of 853835 is about 94.8690717161.

The spelling of 853835 in words is "eight hundred fifty-three thousand, eight hundred thirty-five".