169828 has 6 divisors (see below), whose sum is σ = 297206. Its totient is φ = 84912.

The previous prime is 169823. The next prime is 169831. The reversal of 169828 is 828961.

169828 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., 166464 + 3364 = 408^2 + 58^2 .

It is a junction number, because it is equal to n+sod(n) for n = 169793 and 169802.

It is not an unprimeable number, because it can be changed into a prime (169823) by changing a digit.

169828 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21225 + ... + 21232.

2¹⁶⁹⁸²⁸ is an apocalyptic number.

It is an amenable number.

169828 is a deficient number, since it is larger than the sum of its proper divisors (127378).

169828 is a wasteful number, since it uses less digits than its factorization.

169828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42461 (or 42459 counting only the distinct ones).

The product of its digits is 6912, while the sum is 34.

The square root of 169828 is about 412.1019291389. The cubic root of 169828 is about 55.3778934941.

The spelling of 169828 in words is "one hundred sixty-nine thousand, eight hundred twenty-eight".