290189 has 2 divisors, whose sum is σ = 290190. Its totient is φ = 290188.

The previous prime is 290183. The next prime is 290201. The reversal of 290189 is 981092.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 265225 + 24964 = 515^2 + 158^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-290189 is a prime.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (290183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145094 + 145095.

It is an arithmetic number, because the mean of its divisors is an integer number (145095).

2²⁹⁰¹⁸⁹ is an apocalyptic number.

It is an amenable number.

290189 is a deficient number, since it is larger than the sum of its proper divisors (1).

290189 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 11 representation: 290189 = (189029)₁₁.

290189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 290189 is about 538.6919342259. The cubic root of 290189 is about 66.2054357946.

It can be divided in two parts, 29018 and 9, that multiplied together give a palindrome (261162).

The spelling of 290189 in words is "two hundred ninety thousand, one hundred eighty-nine".