828507 has 8 divisors (see below), whose sum is σ = 1109776. Its totient is φ = 549792.

The previous prime is 828449. The next prime is 828517. The reversal of 828507 is 705828.

828507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 828507 - 2⁷ = 828379 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (828517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333 + ... + 1329.

It is an arithmetic number, because the mean of its divisors is an integer number (138722).

2⁸²⁸⁵⁰⁷ is an apocalyptic number.

828507 is a deficient number, since it is larger than the sum of its proper divisors (281269).

828507 is a wasteful number, since it uses less digits than its factorization.

828507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 828507 is about 910.2235989030. The cubic root of 828507 is about 93.9215808928.

The spelling of 828507 in words is "eight hundred twenty-eight thousand, five hundred seven".