184428 has 36 divisors (see below), whose sum is σ = 480480. Its totient is φ = 59616.

The previous prime is 184417. The next prime is 184441. The reversal of 184428 is 824481.

It is a tau number, because it is divible by the number of its divisors (36).

It is a zygodrome in base 11.

It is an unprimeable number.

184428 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 in 11 ways as a sum of consecutive naturals, for example, 1638 + ... + 1746.

2¹⁸⁴⁴²⁸ is an apocalyptic number.

184428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 184428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240240).

184428 is an abundant number, since it is smaller than the sum of its proper divisors (296052).

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

184428 is a wasteful number, since it uses less digits than its factorization.

184428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 161 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

The square root of 184428 is about 429.4508120845. The cubic root of 184428 is about 56.9214059932.

The spelling of 184428 in words is "one hundred eighty-four thousand, four hundred twenty-eight".