189371 has 8 divisors (see below), whose sum is σ = 233184. Its totient is φ = 149760.

The previous prime is 189361. The next prime is 189377. The reversal of 189371 is 173981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 189371 - 2⁶ = 189307 is a prime.

It is a super-2 number, since 2×189371² = 71722751282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (189377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 950 + ... + 1131.

It is an arithmetic number, because the mean of its divisors is an integer number (29148).

2¹⁸⁹³⁷¹ is an apocalyptic number.

189371 is a deficient number, since it is larger than the sum of its proper divisors (43813).

189371 is a wasteful number, since it uses less digits than its factorization.

189371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101.

The product of its digits is 1512, while the sum is 29.

The square root of 189371 is about 435.1677837340. The cubic root of 189371 is about 57.4254610707.

The spelling of 189371 in words is "one hundred eighty-nine thousand, three hundred seventy-one".