828231 has 8 divisors (see below), whose sum is σ = 1125360. Its totient is φ = 541632.

The previous prime is 828221. The next prime is 828239. The reversal of 828231 is 132828.

828231 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 828231 - 2⁵ = 828199 is a prime.

It is a super-2 number, since 2×828231² = 1371933178722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828239) 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, 2446 + ... + 2763.

It is an arithmetic number, because the mean of its divisors is an integer number (140670).

2⁸²⁸²³¹ is an apocalyptic number.

828231 is a deficient number, since it is larger than the sum of its proper divisors (297129).

828231 is a wasteful number, since it uses less digits than its factorization.

828231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5265.

The product of its digits is 768, while the sum is 24.

The square root of 828231 is about 910.0719751756. The cubic root of 828231 is about 93.9111503894.

The spelling of 828231 in words is "eight hundred twenty-eight thousand, two hundred thirty-one".