444231 has 8 divisors (see below), whose sum is σ = 658160. Its totient is φ = 296136.

The previous prime is 444209. The next prime is 444253. The reversal of 444231 is 132444.

It is an interprime number because it is at equal distance from previous prime (444209) and next prime (444253).

It is not a de Polignac number, because 444231 - 2⁶ = 444167 is a prime.

It is a super-2 number, since 2×444231² = 394682362722, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444271) 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 in 7 ways as a sum of consecutive naturals, for example, 8200 + ... + 8253.

It is an arithmetic number, because the mean of its divisors is an integer number (82270).

2⁴⁴⁴²³¹ is an apocalyptic number.

444231 is a deficient number, since it is larger than the sum of its proper divisors (213929).

444231 is a wasteful number, since it uses less digits than its factorization.

444231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16462 (or 16456 counting only the distinct ones).

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

The square root of 444231 is about 666.5065641087. The cubic root of 444231 is about 76.3020642359.

Adding to 444231 its reverse (132444), we get a palindrome (576675).

The spelling of 444231 in words is "four hundred forty-four thousand, two hundred thirty-one".