834438 has 32 divisors (see below), whose sum is σ = 1866240. Its totient is φ = 246560.

The previous prime is 834433. The next prime is 834439.

834438 is nontrivially palindromic in base 10.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834433) by changing a digit.

834438 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 15 ways as a sum of consecutive naturals, for example, 2968 + ... + 3236.

It is an arithmetic number, because the mean of its divisors is an integer number (58320).

2⁸³⁴⁴³⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 834438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (933120).

834438 is an abundant number, since it is smaller than the sum of its proper divisors (1031802).

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

834438 is a wasteful number, since it uses less digits than its factorization.

834438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332.

The product of its digits is 9216, while the sum is 30.

The square root of 834438 is about 913.4757796461. The cubic root of 834438 is about 94.1451657736.

The spelling of 834438 in words is "eight hundred thirty-four thousand, four hundred thirty-eight".