290193 has 4 divisors (see below), whose sum is σ = 386928. Its totient is φ = 193460.

The previous prime is 290189. The next prime is 290201. The reversal of 290193 is 391092.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 290193 - 2² = 290189 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (290113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48363 + ... + 48368.

It is an arithmetic number, because the mean of its divisors is an integer number (96732).

2²⁹⁰¹⁹³ is an apocalyptic number.

It is an amenable number.

290193 is a deficient number, since it is larger than the sum of its proper divisors (96735).

290193 is an equidigital number, since it uses as much as digits as its factorization.

290193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96734.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 290193 is about 538.6956469102. The cubic root of 290193 is about 66.2057399878.

The spelling of 290193 in words is "two hundred ninety thousand, one hundred ninety-three".