244681 has 8 divisors (see below), whose sum is σ = 266760. Its totient is φ = 223488.

The previous prime is 244669. The next prime is 244687. The reversal of 244681 is 186442.

It can be written as a sum of positive squares in 4 ways, for example, as 84681 + 160000 = 291^2 + 400^2 .

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 244681 - 2⁷ = 244553 is a prime.

It is a super-2 number, since 2×244681² = 119737583522, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435 + ... + 823.

It is an arithmetic number, because the mean of its divisors is an integer number (33345).

2²⁴⁴⁶⁸¹ is an apocalyptic number.

It is an amenable number.

244681 is a deficient number, since it is larger than the sum of its proper divisors (22079).

244681 is a wasteful number, since it uses less digits than its factorization.

244681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443.

The product of its digits is 1536, while the sum is 25.

The square root of 244681 is about 494.6524032086. The cubic root of 244681 is about 62.5460780207.

The spelling of 244681 in words is "two hundred forty-four thousand, six hundred eighty-one".