168394 has 8 divisors (see below), whose sum is σ = 254340. Its totient is φ = 83616.

The previous prime is 168391. The next prime is 168409. The reversal of 168394 is 493861.

It can be written as a sum of positive squares in 2 ways, for example, as 112225 + 56169 = 335^2 + 237^2 .

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

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (168391) 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, 382 + ... + 694.

2¹⁶⁸³⁹⁴ is an apocalyptic number.

168394 is a deficient number, since it is larger than the sum of its proper divisors (85946).

168394 is a wasteful number, since it uses less digits than its factorization.

168394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584.

The product of its digits is 5184, while the sum is 31.

The square root of 168394 is about 410.3583799559. The cubic root of 168394 is about 55.2215854110.

The spelling of 168394 in words is "one hundred sixty-eight thousand, three hundred ninety-four".