190291 has 6 divisors (see below), whose sum is σ = 196980. Its totient is φ = 183816.

The previous prime is 190283. The next prime is 190297. The reversal of 190291 is 192091.

It is not a de Polignac number, because 190291 - 2³ = 190283 is a prime.

It is a Duffinian number.

190291 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (190297) 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, 1300 + ... + 1438.

It is an arithmetic number, because the mean of its divisors is an integer number (32830).

2¹⁹⁰²⁹¹ is an apocalyptic number.

190291 is a deficient number, since it is larger than the sum of its proper divisors (6689).

190291 is an equidigital number, since it uses as much as digits as its factorization.

190291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 190291 is about 436.2235665344. The cubic root of 190291 is about 57.5183054509.

The spelling of 190291 in words is "one hundred ninety thousand, two hundred ninety-one".