440231 has 8 divisors (see below), whose sum is σ = 496128. Its totient is φ = 387000.

The previous prime is 440227. The next prime is 440239. The reversal of 440231 is 132044.

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 440231 - 2² = 440227 is a prime.

It is a super-2 number, since 2×440231² = 387606666722, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440239) 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 7 ways as a sum of consecutive naturals, for example, 305 + ... + 986.

It is an arithmetic number, because the mean of its divisors is an integer number (62016).

2⁴⁴⁰²³¹ is an apocalyptic number.

440231 is a deficient number, since it is larger than the sum of its proper divisors (55897).

440231 is a wasteful number, since it uses less digits than its factorization.

440231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 440231 is about 663.4990580250. The cubic root of 440231 is about 76.0723572202.

Adding to 440231 its reverse (132044), we get a palindrome (572275).

The spelling of 440231 in words is "four hundred forty thousand, two hundred thirty-one".