183428 has 12 divisors (see below), whose sum is σ = 366912. Its totient is φ = 78600.

The previous prime is 183397. The next prime is 183437. The reversal of 183428 is 824381.

183428 is an admirable number.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 183397 and 183406.

It is an unprimeable number.

183428 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3248 + ... + 3303.

It is an arithmetic number, because the mean of its divisors is an integer number (30576).

2¹⁸³⁴²⁸ is an apocalyptic number.

It is an amenable number.

183428 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

183428 is a wasteful number, since it uses less digits than its factorization.

183428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6562 (or 6560 counting only the distinct ones).

The product of its digits is 1536, while the sum is 26.

The square root of 183428 is about 428.2849518720. The cubic root of 183428 is about 56.8183403050.

The spelling of 183428 in words is "one hundred eighty-three thousand, four hundred twenty-eight".