244985 has 8 divisors (see below), whose sum is σ = 316680. Its totient is φ = 180864.

The previous prime is 244957. The next prime is 244997. The reversal of 244985 is 589442.

It can be written as a sum of positive squares in 4 ways, for example, as 22201 + 222784 = 149^2 + 472^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 244985 - 2¹⁴ = 228601 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1820 + ... + 1949.

It is an arithmetic number, because the mean of its divisors is an integer number (39585).

2²⁴⁴⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

244985 is a deficient number, since it is larger than the sum of its proper divisors (71695).

244985 is a wasteful number, since it uses less digits than its factorization.

244985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787.

The product of its digits is 11520, while the sum is 32.

The square root of 244985 is about 494.9595943105. The cubic root of 244985 is about 62.5719704256.

The spelling of 244985 in words is "two hundred forty-four thousand, nine hundred eighty-five".