194497 has 6 divisors (see below), whose sum is σ = 206918. Its totient is φ = 182784.

The previous prime is 194483. The next prime is 194507. The reversal of 194497 is 794491.

It can be written as a sum of positive squares in 3 ways, for example, as 62001 + 132496 = 249^2 + 364^2 .

It is not a de Polignac number, because 194497 - 2¹⁵ = 161729 is a prime.

It is a Duffinian number.

194497 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (194197) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 48 + ... + 625.

2¹⁹⁴⁴⁹⁷ is an apocalyptic number.

194497 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

194497 is a deficient number, since it is larger than the sum of its proper divisors (12421).

194497 is an equidigital number, since it uses as much as digits as its factorization.

194497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707 (or 690 counting only the distinct ones).

The product of its digits is 9072, while the sum is 34.

The square root of 194497 is about 441.0181402165. The cubic root of 194497 is about 57.9389965021.

The spelling of 194497 in words is "one hundred ninety-four thousand, four hundred ninety-seven".