835434 has 32 divisors (see below), whose sum is σ = 1889280. Its totient is φ = 277020.

The previous prime is 835427. The next prime is 835441. The reversal of 835434 is 434538.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (835427) and next prime (835441).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 835398 and 835407.

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 835434.

It is an unprimeable number.

835434 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4279 + ... + 4469.

It is an arithmetic number, because the mean of its divisors is an integer number (59040).

2⁸³⁵⁴³⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 835434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (944640).

835434 is an abundant number, since it is smaller than the sum of its proper divisors (1053846).

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

835434 is an equidigital number, since it uses as much as digits as its factorization.

835434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 196 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 835434 is about 914.0207875098. The cubic root of 835434 is about 94.1826086600.

The spelling of 835434 in words is "eight hundred thirty-five thousand, four hundred thirty-four".