291441 has 8 divisors (see below), whose sum is σ = 409120. Its totient is φ = 184032.

The previous prime is 291439. The next prime is 291443. The reversal of 291441 is 144192.

291441 is nontrivially palindromic in base 2.

It is an interprime number because it is at equal distance from previous prime (291439) and next prime (291443).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 291441 - 2¹ = 291439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (291443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2500 + ... + 2613.

It is an arithmetic number, because the mean of its divisors is an integer number (51140).

2²⁹¹⁴⁴¹ is an apocalyptic number.

It is an amenable number.

291441 is a deficient number, since it is larger than the sum of its proper divisors (117679).

291441 is a wasteful number, since it uses less digits than its factorization.

291441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5135.

The product of its digits is 288, while the sum is 21.

The square root of 291441 is about 539.8527577034. The cubic root of 291441 is about 66.3005120886.

The spelling of 291441 in words is "two hundred ninety-one thousand, four hundred forty-one".