827243 has 4 divisors (see below), whose sum is σ = 831600. Its totient is φ = 822888.

The previous prime is 827231. The next prime is 827251. The reversal of 827243 is 342728.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 827243 - 2⁴ = 827227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (827213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1880 + ... + 2277.

It is an arithmetic number, because the mean of its divisors is an integer number (207900).

2⁸²⁷²⁴³ is an apocalyptic number.

827243 is a deficient number, since it is larger than the sum of its proper divisors (4357).

827243 is a wasteful number, since it uses less digits than its factorization.

827243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4356.

The product of its digits is 2688, while the sum is 26.

The square root of 827243 is about 909.5289989879. The cubic root of 827243 is about 93.8737932047.

The spelling of 827243 in words is "eight hundred twenty-seven thousand, two hundred forty-three".