827197 has 4 divisors (see below), whose sum is σ = 945376. Its totient is φ = 709020.

The previous prime is 827161. The next prime is 827213. The reversal of 827197 is 791728.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 827197 - 2¹⁹ = 302909 is a prime.

It is a Duffinian number.

827197 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (827147) 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, 59079 + ... + 59092.

It is an arithmetic number, because the mean of its divisors is an integer number (236344).

2⁸²⁷¹⁹⁷ is an apocalyptic number.

It is an amenable number.

827197 is a deficient number, since it is larger than the sum of its proper divisors (118179).

827197 is a wasteful number, since it uses less digits than its factorization.

827197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118178.

The product of its digits is 7056, while the sum is 34.

The square root of 827197 is about 909.5037108226. The cubic root of 827197 is about 93.8720531781.

It can be divided in two parts, 827 and 197, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 827197 in words is "eight hundred twenty-seven thousand, one hundred ninety-seven".