189328 has 10 divisors (see below), whose sum is σ = 366854. Its totient is φ = 94656.

The previous prime is 189311. The next prime is 189337. The reversal of 189328 is 823981.

It can be written as a sum of positive squares in only one way, i.e., 186624 + 2704 = 432^2 + 52^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 189328.

It is an unprimeable number.

189328 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, 5901 + ... + 5932.

2¹⁸⁹³²⁸ is an apocalyptic number.

It is an amenable number.

189328 is a deficient number, since it is larger than the sum of its proper divisors (177526).

189328 is a wasteful number, since it uses less digits than its factorization.

189328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11841 (or 11835 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 189328 is about 435.1183746982. The cubic root of 189328 is about 57.4211142564.

The spelling of 189328 in words is "one hundred eighty-nine thousand, three hundred twenty-eight".