244091 has 2 divisors, whose sum is σ = 244092. Its totient is φ = 244090.

The previous prime is 244087. The next prime is 244109. The reversal of 244091 is 190442.

Together with next prime (244109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 244091 - 2² = 244087 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 244091.

It is not a weakly prime, because it can be changed into another prime (244021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122045 + 122046.

It is an arithmetic number, because the mean of its divisors is an integer number (122046).

2²⁴⁴⁰⁹¹ is an apocalyptic number.

244091 is a deficient number, since it is larger than the sum of its proper divisors (1).

244091 is an equidigital number, since it uses as much as digits as its factorization.

244091 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 244091 is about 494.0556648800. The cubic root of 244091 is about 62.4957650464.

The spelling of 244091 in words is "two hundred forty-four thousand, ninety-one".