828391106 has 8 divisors (see below), whose sum is σ = 1243029564. Its totient is φ = 414047920.

The previous prime is 828391099. The next prime is 828391133. The reversal of 828391106 is 601193828.

It can be written as a sum of positive squares in 2 ways, for example, as 827080081 + 1311025 = 28759^2 + 1145^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 828391106.

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, 66665 + ... + 78108.

Almost surely, 2^828391106 is an apocalyptic number.

828391106 is a deficient number, since it is larger than the sum of its proper divisors (414638458).

828391106 is a wasteful number, since it uses less digits than its factorization.

828391106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147636.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 828391106 is about 28781.7842740856. The cubic root of 828391106 is about 939.1720134615.

The spelling of 828391106 in words is "eight hundred twenty-eight million, three hundred ninety-one thousand, one hundred six".