828558212 has 12 divisors (see below), whose sum is σ = 1452175116. Its totient is φ = 413651040.

The previous prime is 828558209. The next prime is 828558229. The reversal of 828558212 is 212855828.

It can be written as a sum of positive squares in 2 ways, for example, as 289204036 + 539354176 = 17006^2 + 23224^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 828558212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154043 + ... + 159330.

It is an arithmetic number, because the mean of its divisors is an integer number (121014593).

Almost surely, 2^828558212 is an apocalyptic number.

It is an amenable number.

828558212 is a deficient number, since it is larger than the sum of its proper divisors (623616904).

828558212 is a wasteful number, since it uses less digits than its factorization.

828558212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314038 (or 314036 counting only the distinct ones).

The product of its digits is 102400, while the sum is 41.

The square root of 828558212 is about 28784.6871096422. The cubic root of 828558212 is about 939.2351602551.

The spelling of 828558212 in words is "eight hundred twenty-eight million, five hundred fifty-eight thousand, two hundred twelve".