189471 has 8 divisors (see below), whose sum is σ = 255024. Its totient is φ = 125120.

The previous prime is 189467. The next prime is 189473. The reversal of 189471 is 174981.

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

It is a cyclic number.

It is not a de Polignac number, because 189471 - 2² = 189467 is a prime.

It is a super-3 number, since 3×189471³ = 20405605984002333, which contains 333 as substring.

189471 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189473) 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, 181 + ... + 641.

It is an arithmetic number, because the mean of its divisors is an integer number (31878).

2¹⁸⁹⁴⁷¹ is an apocalyptic number.

189471 is a deficient number, since it is larger than the sum of its proper divisors (65553).

189471 is a wasteful number, since it uses less digits than its factorization.

189471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601.

The product of its digits is 2016, while the sum is 30.

The square root of 189471 is about 435.2826667810. The cubic root of 189471 is about 57.4355673974.

The spelling of 189471 in words is "one hundred eighty-nine thousand, four hundred seventy-one".