174428 has 6 divisors (see below), whose sum is σ = 305256. Its totient is φ = 87212.

The previous prime is 174413. The next prime is 174431. The reversal of 174428 is 824471.

174428 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 = 174397 and 174406.

It is a congruent number.

It is an unprimeable number.

174428 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, 21800 + ... + 21807.

It is an arithmetic number, because the mean of its divisors is an integer number (50876).

2¹⁷⁴⁴²⁸ is an apocalyptic number.

It is an amenable number.

174428 is a deficient number, since it is larger than the sum of its proper divisors (130828).

174428 is a wasteful number, since it uses less digits than its factorization.

174428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43611 (or 43609 counting only the distinct ones).

The product of its digits is 1792, while the sum is 26.

The square root of 174428 is about 417.6457829309. The cubic root of 174428 is about 55.8734386737.

Adding to 174428 its reverse (824471), we get a palindrome (998899).

The spelling of 174428 in words is "one hundred seventy-four thousand, four hundred twenty-eight".