189058 has 4 divisors (see below), whose sum is σ = 283590. Its totient is φ = 94528.

The previous prime is 189043. The next prime is 189061. The reversal of 189058 is 850981.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 165649 + 23409 = 407^2 + 153^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

189058 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 as a sum of consecutive naturals, namely, 47263 + ... + 47266.

2¹⁸⁹⁰⁵⁸ is an apocalyptic number.

189058 is a deficient number, since it is larger than the sum of its proper divisors (94532).

189058 is an equidigital number, since it uses as much as digits as its factorization.

189058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94531.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 189058 is about 434.8080036062. The cubic root of 189058 is about 57.3938052536.

The spelling of 189058 in words is "one hundred eighty-nine thousand, fifty-eight".