244665 has 12 divisors (see below), whose sum is σ = 424164. Its totient is φ = 130464.

The previous prime is 244639. The next prime is 244667. The reversal of 244665 is 566442.

It is a happy number.

244665 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 2 ways, for example, as 112896 + 131769 = 336^2 + 363^2 .

It is not a de Polignac number, because 244665 - 2⁵ = 244633 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244667) 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 in 11 ways as a sum of consecutive naturals, for example, 2674 + ... + 2763.

It is an arithmetic number, because the mean of its divisors is an integer number (35347).

2²⁴⁴⁶⁶⁵ is an apocalyptic number.

It is an amenable number.

244665 is a deficient number, since it is larger than the sum of its proper divisors (179499).

244665 is a wasteful number, since it uses less digits than its factorization.

244665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5448 (or 5445 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 244665 is about 494.6362299711. The cubic root of 244665 is about 62.5447146686.

It can be divided in two parts, 244 and 665, that added together give a palindrome (909).

The spelling of 244665 in words is "two hundred forty-four thousand, six hundred sixty-five".