189343 has 8 divisors (see below), whose sum is σ = 236160. Its totient is φ = 147480.

The previous prime is 189337. The next prime is 189347. The reversal of 189343 is 343981.

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 189343 - 2⁵ = 189311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189347) 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, 1153 + ... + 1306.

It is an arithmetic number, because the mean of its divisors is an integer number (29520).

2¹⁸⁹³⁴³ is an apocalyptic number.

189343 is a deficient number, since it is larger than the sum of its proper divisors (46817).

189343 is a wasteful number, since it uses less digits than its factorization.

189343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477.

The product of its digits is 2592, while the sum is 28.

The square root of 189343 is about 435.1356110456. The cubic root of 189343 is about 57.4226306617.

It can be divided in two parts, 1893 and 43, that added together give a square (1936 = 44²).

The spelling of 189343 in words is "one hundred eighty-nine thousand, three hundred forty-three".