834320 has 20 divisors (see below), whose sum is σ = 1939980. Its totient is φ = 333696.

The previous prime is 834311. The next prime is 834341. The reversal of 834320 is 23438.

It can be written as a sum of positive squares in 2 ways, for example, as 633616 + 200704 = 796^2 + 448^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an Ulam number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 834292 and 834301.

It is an unprimeable number.

834320 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5135 + ... + 5294.

It is an arithmetic number, because the mean of its divisors is an integer number (96999).

2⁸³⁴³²⁰ is an apocalyptic number.

834320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

834320 is an abundant number, since it is smaller than the sum of its proper divisors (1105660).

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

834320 is a wasteful number, since it uses less digits than its factorization.

834320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10442 (or 10436 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 834320 is about 913.4111888958. The cubic root of 834320 is about 94.1407277953.

Adding to 834320 its reverse (23438), we get a palindrome (857758).

The spelling of 834320 in words is "eight hundred thirty-four thousand, three hundred twenty".