394193 has 4 divisors (see below), whose sum is σ = 414960. Its totient is φ = 373428.

The previous prime is 394187. The next prime is 394201. The reversal of 394193 is 391493.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 391493 = 17 ⋅23029.

It is a cyclic number.

It is not a de Polignac number, because 394193 - 2⁶ = 394129 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (394123) 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, 10355 + ... + 10392.

It is an arithmetic number, because the mean of its divisors is an integer number (103740).

2³⁹⁴¹⁹³ is an apocalyptic number.

It is an amenable number.

394193 is a deficient number, since it is larger than the sum of its proper divisors (20767).

394193 is a wasteful number, since it uses less digits than its factorization.

394193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20766.

The product of its digits is 2916, while the sum is 29.

The square root of 394193 is about 627.8479115200. The cubic root of 394193 is about 73.3223376535.

The spelling of 394193 in words is "three hundred ninety-four thousand, one hundred ninety-three".