189338 has 8 divisors (see below), whose sum is σ = 291060. Its totient is φ = 92320.

The previous prime is 189337. The next prime is 189347. The reversal of 189338 is 833981.

It can be written as a sum of positive squares in 2 ways, for example, as 187489 + 1849 = 433^2 + 43^2 .

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

It is not an unprimeable number, because it can be changed into a prime (189337) 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, 1073 + ... + 1236.

2¹⁸⁹³³⁸ is an apocalyptic number.

189338 is a deficient number, since it is larger than the sum of its proper divisors (101722).

189338 is a wasteful number, since it uses less digits than its factorization.

189338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352.

The product of its digits is 5184, while the sum is 32.

The square root of 189338 is about 435.1298656723. The cubic root of 189338 is about 57.4221252021.

The spelling of 189338 in words is "one hundred eighty-nine thousand, three hundred thirty-eight".