189086 has 4 divisors (see below), whose sum is σ = 283632. Its totient is φ = 94542.

The previous prime is 189067. The next prime is 189127. The reversal of 189086 is 680981.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 680981 = 7 ⋅97283.

It is a congruent number.

It is an unprimeable number.

189086 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, 47270 + ... + 47273.

It is an arithmetic number, because the mean of its divisors is an integer number (70908).

2¹⁸⁹⁰⁸⁶ is an apocalyptic number.

189086 is a deficient number, since it is larger than the sum of its proper divisors (94546).

189086 is an equidigital number, since it uses as much as digits as its factorization.

189086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94545.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 189086 is about 434.8402005335. The cubic root of 189086 is about 57.3966385062.

The spelling of 189086 in words is "one hundred eighty-nine thousand, eighty-six".