244431 has 16 divisors (see below), whose sum is σ = 395520. Its totient is φ = 147960.

The previous prime is 244429. The next prime is 244451. The reversal of 244431 is 134442.

It is not a de Polignac number, because 244431 - 2¹ = 244429 is a prime.

It is a super-2 number, since 2×244431² = 119493027522, which contains 22 as substring.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

244431 is a lucky 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 (244411) 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 15 ways as a sum of consecutive naturals, for example, 115 + ... + 708.

It is an arithmetic number, because the mean of its divisors is an integer number (24720).

2²⁴⁴⁴³¹ is an apocalyptic number.

244431 is a deficient number, since it is larger than the sum of its proper divisors (151089).

244431 is a wasteful number, since it uses less digits than its factorization.

244431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843 (or 837 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 244431 is about 494.3996359222. The cubic root of 244431 is about 62.5247688494.

Adding to 244431 its reverse (134442), we get a palindrome (378873).

The spelling of 244431 in words is "two hundred forty-four thousand, four hundred thirty-one".