828087 has 16 divisors (see below), whose sum is σ = 1260000. Its totient is φ = 479232.

The previous prime is 828071. The next prime is 828101. The reversal of 828087 is 780828.

It is not a de Polignac number, because 828087 - 2⁴ = 828071 is a prime.

It is a plaindrome in base 15.

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 828087.

It is not an unprimeable number, because it can be changed into a prime (828007) 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 15 ways as a sum of consecutive naturals, for example, 39 + ... + 1287.

It is an arithmetic number, because the mean of its divisors is an integer number (78750).

2⁸²⁸⁰⁸⁷ is an apocalyptic number.

828087 is a deficient number, since it is larger than the sum of its proper divisors (431913).

828087 is a wasteful number, since it uses less digits than its factorization.

828087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282.

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 828087 is about 909.9928571148. The cubic root of 828087 is about 93.9057074677.

The spelling of 828087 in words is "eight hundred twenty-eight thousand, eighty-seven".