828263 has 4 divisors (see below), whose sum is σ = 830088. Its totient is φ = 826440.

The previous prime is 828239. The next prime is 828277. The reversal of 828263 is 362828.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 828263 - 2⁶ = 828199 is a prime.

It is a Duffinian number.

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 828263.

It is not an unprimeable number, because it can be changed into a prime (821263) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 368 + ... + 1338.

It is an arithmetic number, because the mean of its divisors is an integer number (207522).

2⁸²⁸²⁶³ is an apocalyptic number.

828263 is a deficient number, since it is larger than the sum of its proper divisors (1825).

828263 is an equidigital number, since it uses as much as digits as its factorization.

828263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824.

The product of its digits is 4608, while the sum is 29.

The square root of 828263 is about 910.0895560328. The cubic root of 828263 is about 93.9123598419.

The spelling of 828263 in words is "eight hundred twenty-eight thousand, two hundred sixty-three".