828241 has 4 divisors (see below), whose sum is σ = 848484. Its totient is φ = 808000.

The previous prime is 828239. The next prime is 828277. The reversal of 828241 is 142828.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11025 + 817216 = 105^2 + 904^2 .

It is a cyclic number.

It is not a de Polignac number, because 828241 - 2¹ = 828239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (828221) 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, 10060 + ... + 10141.

It is an arithmetic number, because the mean of its divisors is an integer number (212121).

2⁸²⁸²⁴¹ is an apocalyptic number.

It is an amenable number.

828241 is a deficient number, since it is larger than the sum of its proper divisors (20243).

828241 is a wasteful number, since it uses less digits than its factorization.

828241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20242.

The product of its digits is 1024, while the sum is 25.

The square root of 828241 is about 910.0774692300. The cubic root of 828241 is about 93.9115283466.

The spelling of 828241 in words is "eight hundred twenty-eight thousand, two hundred forty-one".