828021364 has 6 divisors (see below), whose sum is σ = 1449037394. Its totient is φ = 414010680.

The previous prime is 828021347. The next prime is 828021371. The reversal of 828021364 is 463120828.

828021364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 713317264 + 114704100 = 26708^2 + 10710^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103502667 + ... + 103502674.

Almost surely, 2^828021364 is an apocalyptic number.

It is an amenable number.

828021364 is a deficient number, since it is larger than the sum of its proper divisors (621016030).

828021364 is a wasteful number, since it uses less digits than its factorization.

828021364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207005345 (or 207005343 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 828021364 is about 28775.3603626436. The cubic root of 828021364 is about 939.0322634438.

The spelling of 828021364 in words is "eight hundred twenty-eight million, twenty-one thousand, three hundred sixty-four".