194855 has 4 divisors (see below), whose sum is σ = 233832. Its totient is φ = 155880.

The previous prime is 194839. The next prime is 194861. The reversal of 194855 is 558491.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 194855 - 2⁴ = 194839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19481 + ... + 19490.

It is an arithmetic number, because the mean of its divisors is an integer number (58458).

2¹⁹⁴⁸⁵⁵ is an apocalyptic number.

194855 is a deficient number, since it is larger than the sum of its proper divisors (38977).

194855 is an equidigital number, since it uses as much as digits as its factorization.

194855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38976.

The product of its digits is 7200, while the sum is 32.

The square root of 194855 is about 441.4238326144. The cubic root of 194855 is about 57.9745230953.

The spelling of 194855 in words is "one hundred ninety-four thousand, eight hundred fifty-five".