828249 has 4 divisors (see below), whose sum is σ = 1104336. Its totient is φ = 552164.

The previous prime is 828239. The next prime is 828277. The reversal of 828249 is 942828.

828249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 828249 - 2⁹ = 827737 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (828209) 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, 138039 + ... + 138044.

It is an arithmetic number, because the mean of its divisors is an integer number (276084).

2⁸²⁸²⁴⁹ is an apocalyptic number.

It is an amenable number.

828249 is a deficient number, since it is larger than the sum of its proper divisors (276087).

828249 is a wasteful number, since it uses less digits than its factorization.

828249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276086.

The product of its digits is 9216, while the sum is 33.

The square root of 828249 is about 910.0818644496. The cubic root of 828249 is about 93.9118307102.

The spelling of 828249 in words is "eight hundred twenty-eight thousand, two hundred forty-nine".