828017 has 4 divisors (see below), whose sum is σ = 836160. Its totient is φ = 819876.

The previous prime is 828013. The next prime is 828029. The reversal of 828017 is 710828.

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 828017 - 2² = 828013 is a prime.

It is a super-2 number, since 2×828017² = 1371224304578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (828011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3917 + ... + 4122.

It is an arithmetic number, because the mean of its divisors is an integer number (209040).

2⁸²⁸⁰¹⁷ is an apocalyptic number.

It is an amenable number.

828017 is a deficient number, since it is larger than the sum of its proper divisors (8143).

828017 is a wasteful number, since it uses less digits than its factorization.

828017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8142.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 828017 is about 909.9543944616. The cubic root of 828017 is about 93.9030613750.

The spelling of 828017 in words is "eight hundred twenty-eight thousand, seventeen".