244691 has 2 divisors, whose sum is σ = 244692. Its totient is φ = 244690.

The previous prime is 244687. The next prime is 244703. The reversal of 244691 is 196442.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 244691 - 2² = 244687 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 244691.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 244691.

It is not a weakly prime, because it can be changed into another prime (244091) 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, 122345 + 122346.

It is an arithmetic number, because the mean of its divisors is an integer number (122346).

2²⁴⁴⁶⁹¹ is an apocalyptic number.

244691 is a deficient number, since it is larger than the sum of its proper divisors (1).

244691 is an equidigital number, since it uses as much as digits as its factorization.

244691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 26.

The square root of 244691 is about 494.6625112135. The cubic root of 244691 is about 62.5469300856.

The spelling of 244691 in words is "two hundred forty-four thousand, six hundred ninety-one".