244393 has 2 divisors, whose sum is σ = 244394. Its totient is φ = 244392.

The previous prime is 244381. The next prime is 244399. The reversal of 244393 is 393442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222784 + 21609 = 472^2 + 147^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244393 is a prime.

It is a d-powerful number, because it can be written as 2 + 4⁶ + 3 + 4⁶ + 9⁵ + 3¹¹ .

244393 is a lucky number.

It is a nialpdrome in base 12.

It is not a weakly prime, because it can be changed into another prime (244399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122196 + 122197.

It is an arithmetic number, because the mean of its divisors is an integer number (122197).

2²⁴⁴³⁹³ is an apocalyptic number.

It is an amenable number.

244393 is a deficient number, since it is larger than the sum of its proper divisors (1).

244393 is an equidigital number, since it uses as much as digits as its factorization.

244393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 25.

The square root of 244393 is about 494.3612039794. The cubic root of 244393 is about 62.5215285835.

It can be divided in two parts, 24439 and 3, that added together give a palindrome (24442).

The spelling of 244393 in words is "two hundred forty-four thousand, three hundred ninety-three".