194005 has 16 divisors (see below), whose sum is σ = 278784. Its totient is φ = 126720.

The previous prime is 194003. The next prime is 194017. The reversal of 194005 is 500491.

It is not a de Polignac number, because 194005 - 2¹ = 194003 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 685 + ... + 925.

It is an arithmetic number, because the mean of its divisors is an integer number (17424).

2¹⁹⁴⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

194005 is a deficient number, since it is larger than the sum of its proper divisors (84779).

194005 is a wasteful number, since it uses less digits than its factorization.

194005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 194005 is about 440.4599868319. The cubic root of 194005 is about 57.8901010497.

Adding to 194005 its reverse (500491), we get a palindrome (694496).

The spelling of 194005 in words is "one hundred ninety-four thousand, five".