830256 has 60 divisors (see below), whose sum is σ = 2502072. Its totient is φ = 236544.

The previous prime is 830237. The next prime is 830257. The reversal of 830256 is 652038.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (830257) by changing a digit.

830256 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 11 ways as a sum of consecutive naturals, for example, 2176 + ... + 2528.

2⁸³⁰²⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 830256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1251036).

830256 is an abundant number, since it is smaller than the sum of its proper divisors (1671816).

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

830256 is a wasteful number, since it uses less digits than its factorization.

830256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 830256 is about 911.1838453353. The cubic root of 830256 is about 93.9876247478.

The spelling of 830256 in words is "eight hundred thirty thousand, two hundred fifty-six".