169028 has 6 divisors (see below), whose sum is σ = 295806. Its totient is φ = 84512.

The previous prime is 169019. The next prime is 169049. The reversal of 169028 is 820961.

It can be written as a sum of positive squares in only one way, i.e., 145924 + 23104 = 382^2 + 152^2 .

It is a junction number, because it is equal to n+sod(n) for n = 168988 and 169006.

It is an unprimeable number.

169028 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, 21125 + ... + 21132.

It is an arithmetic number, because the mean of its divisors is an integer number (49301).

2¹⁶⁹⁰²⁸ is an apocalyptic number.

It is an amenable number.

169028 is a deficient number, since it is larger than the sum of its proper divisors (126778).

169028 is a wasteful number, since it uses less digits than its factorization.

169028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42261 (or 42259 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 169028 is about 411.1301497093. The cubic root of 169028 is about 55.2908013349.

Adding to 169028 its reverse (820961), we get a palindrome (989989).

The spelling of 169028 in words is "one hundred sixty-nine thousand, twenty-eight".