290441 has 2 divisors, whose sum is σ = 290442. Its totient is φ = 290440.

The previous prime is 290429. The next prime is 290443. The reversal of 290441 is 144092.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198025 + 92416 = 445^2 + 304^2 .

It is a cyclic number.

It is not a de Polignac number, because 290441 - 2¹⁰ = 289417 is a prime.

Together with 290443, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a plaindrome in base 14.

It is a zygodrome in base 14.

It is not a weakly prime, because it can be changed into another prime (290443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145220 + 145221.

It is an arithmetic number, because the mean of its divisors is an integer number (145221).

2²⁹⁰⁴⁴¹ is an apocalyptic number.

It is an amenable number.

290441 is a deficient number, since it is larger than the sum of its proper divisors (1).

290441 is an equidigital number, since it uses as much as digits as its factorization.

290441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 290441 is about 538.9257833877. The cubic root of 290441 is about 66.2245945070.

The spelling of 290441 in words is "two hundred ninety thousand, four hundred forty-one".