194485 has 8 divisors (see below), whose sum is σ = 236376. Its totient is φ = 153600.

The previous prime is 194483. The next prime is 194507. The reversal of 194485 is 584491.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 69169 + 125316 = 263^2 + 354^2 .

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

It is not a de Polignac number, because 194485 - 2¹ = 194483 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285 + ... + 685.

It is an arithmetic number, because the mean of its divisors is an integer number (29547).

194485 is a Friedman number, since it can be written as 4+(9+8+5-1)^4, using all its digits and the basic arithmetic operations.

2¹⁹⁴⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

194485 is a deficient number, since it is larger than the sum of its proper divisors (41891).

194485 is an equidigital number, since it uses as much as digits as its factorization.

194485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503.

The product of its digits is 5760, while the sum is 31.

The square root of 194485 is about 441.0045351241. The cubic root of 194485 is about 57.9378049117.

The spelling of 194485 in words is "one hundred ninety-four thousand, four hundred eighty-five".