444431 has 8 divisors (see below), whose sum is σ = 507024. Its totient is φ = 385920.

The previous prime is 444421. The next prime is 444443. The reversal of 444431 is 134444.

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 444431 - 2¹⁰ = 443407 is a prime.

It is a super-2 number, since 2×444431² = 395037827522, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 444431.

It is not an unprimeable number, because it can be changed into a prime (444401) 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, 785 + ... + 1226.

It is an arithmetic number, because the mean of its divisors is an integer number (63378).

2⁴⁴⁴⁴³¹ is an apocalyptic number.

444431 is a deficient number, since it is larger than the sum of its proper divisors (62593).

444431 is a wasteful number, since it uses less digits than its factorization.

444431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041.

The product of its digits is 768, while the sum is 20.

The square root of 444431 is about 666.6565832571. The cubic root of 444431 is about 76.3135133268.

Adding to 444431 its reverse (134444), we get a palindrome (578875).

It can be divided in two parts, 44443 and 1, that added together give a palindrome (44444).

The spelling of 444431 in words is "four hundred forty-four thousand, four hundred thirty-one".