827869 has 8 divisors (see below), whose sum is σ = 952128. Its totient is φ = 705120.

The previous prime is 827867. The next prime is 827873. The reversal of 827869 is 968728.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 827869 - 2¹ = 827867 is a prime.

It is a super-2 number, since 2×827869² = 1370734162322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (827867) 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 7 ways as a sum of consecutive naturals, for example, 1329 + ... + 1849.

It is an arithmetic number, because the mean of its divisors is an integer number (119016).

2⁸²⁷⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

827869 is a deficient number, since it is larger than the sum of its proper divisors (124259).

827869 is a wasteful number, since it uses less digits than its factorization.

827869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755.

The product of its digits is 48384, while the sum is 40.

The square root of 827869 is about 909.8730680705. The cubic root of 827869 is about 93.8974662881.

The spelling of 827869 in words is "eight hundred twenty-seven thousand, eight hundred sixty-nine".