169428 has 24 divisors (see below), whose sum is σ = 452032. Its totient is φ = 48384.

The previous prime is 169427. The next prime is 169457. The reversal of 169428 is 824961.

169428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 169395 and 169404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925 + ... + 1092.

2¹⁶⁹⁴²⁸ is an apocalyptic number.

It is an amenable number.

169428 is an abundant number, since it is smaller than the sum of its proper divisors (282604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

169428 is a wasteful number, since it uses less digits than its factorization.

169428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031 (or 2029 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 169428 is about 411.6163262068. The cubic root of 169428 is about 55.3343816837.

The spelling of 169428 in words is "one hundred sixty-nine thousand, four hundred twenty-eight".