189394 has 8 divisors (see below), whose sum is σ = 285948. Its totient is φ = 94080.

The previous prime is 189391. The next prime is 189401. The reversal of 189394 is 493981.

It can be written as a sum of positive squares in 2 ways, for example, as 189225 + 169 = 435^2 + 13^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189391) 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, 394 + ... + 730.

2¹⁸⁹³⁹⁴ is an apocalyptic number.

189394 is a deficient number, since it is larger than the sum of its proper divisors (96554).

189394 is a wasteful number, since it uses less digits than its factorization.

189394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620.

The product of its digits is 7776, while the sum is 34.

The square root of 189394 is about 435.1942095203. The cubic root of 189394 is about 57.4277858409.

The spelling of 189394 in words is "one hundred eighty-nine thousand, three hundred ninety-four".