189097 has 4 divisors (see below), whose sum is σ = 190080. Its totient is φ = 188116.

The previous prime is 189067. The next prime is 189127. The reversal of 189097 is 790981.

189097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 790981 = 223 ⋅3547.

It is an interprime number because it is at equal distance from previous prime (189067) and next prime (189127).

It is a cyclic number.

It is not a de Polignac number, because 189097 - 2¹¹ = 187049 is a prime.

It is a Duffinian number.

189097 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (189017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97 + ... + 622.

It is an arithmetic number, because the mean of its divisors is an integer number (47520).

2¹⁸⁹⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

189097 is a deficient number, since it is larger than the sum of its proper divisors (983).

189097 is an equidigital number, since it uses as much as digits as its factorization.

189097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 189097 is about 434.8528486741. The cubic root of 189097 is about 57.3977514932.

It can be divided in two parts, 1 and 89097, that added together give a palindrome (89098).

The spelling of 189097 in words is "one hundred eighty-nine thousand, ninety-seven".