828443 has 24 divisors (see below), whose sum is σ = 1108080. Its totient is φ = 611520.

The previous prime is 828431. The next prime is 828449. The reversal of 828443 is 344828.

It is not a de Polignac number, because 828443 - 2⁶ = 828379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15605 + ... + 15657.

It is an arithmetic number, because the mean of its divisors is an integer number (46170).

2⁸²⁸⁴⁴³ is an apocalyptic number.

828443 is a deficient number, since it is larger than the sum of its proper divisors (279637).

828443 is a wasteful number, since it uses less digits than its factorization.

828443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 100 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

The square root of 828443 is about 910.1884420273. The cubic root of 828443 is about 93.9191624317.

The spelling of 828443 in words is "eight hundred twenty-eight thousand, four hundred forty-three".