194291 has 4 divisors (see below), whose sum is σ = 196392. Its totient is φ = 192192.

The previous prime is 194269. The next prime is 194309. The reversal of 194291 is 192491.

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

It is a cyclic number.

It is not a de Polignac number, because 194291 - 2¹⁴ = 177907 is a prime.

It is a Duffinian number.

194291 is a modest number, since divided by 291 gives 194 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 194291.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 194291.

It is not an unprimeable number, because it can be changed into a prime (194591) 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 3 ways as a sum of consecutive naturals, for example, 905 + ... + 1098.

It is an arithmetic number, because the mean of its divisors is an integer number (49098).

2¹⁹⁴²⁹¹ is an apocalyptic number.

194291 is a deficient number, since it is larger than the sum of its proper divisors (2101).

194291 is an equidigital number, since it uses as much as digits as its factorization.

194291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100.

The product of its digits is 648, while the sum is 26.

The square root of 194291 is about 440.7845278591. The cubic root of 194291 is about 57.9185340621.

The spelling of 194291 in words is "one hundred ninety-four thousand, two hundred ninety-one".