835128 has 48 divisors (see below), whose sum is σ = 2586480. Its totient is φ = 238464.

The previous prime is 835123. The next prime is 835139. The reversal of 835128 is 821538.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (835123) by changing a digit.

835128 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 11 ways as a sum of consecutive naturals, for example, 325 + ... + 1332.

It is an arithmetic number, because the mean of its divisors is an integer number (53885).

2⁸³⁵¹²⁸ is an apocalyptic number.

It is an amenable number.

835128 is an abundant number, since it is smaller than the sum of its proper divisors (1751352).

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

835128 is a wasteful number, since it uses less digits than its factorization.

835128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676 (or 1669 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 835128 is about 913.8533799248. The cubic root of 835128 is about 94.1711082911.

The spelling of 835128 in words is "eight hundred thirty-five thousand, one hundred twenty-eight".