4442431 has 8 divisors (see below), whose sum is σ = 5089824. Its totient is φ = 3798240.

The previous prime is 4442429. The next prime is 4442437. The reversal of 4442431 is 1342444.

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 4442431 - 2¹ = 4442429 is a prime.

It is a super-2 number, since 2×4442431² = 39470386379522, which contains 22 as substring.

It is a Duffinian number.

4442431 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442437) 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, 5001 + ... + 5821.

It is an arithmetic number, because the mean of its divisors is an integer number (636228).

Almost surely, 2^4442431 is an apocalyptic number.

4442431 is a deficient number, since it is larger than the sum of its proper divisors (647393).

4442431 is an equidigital number, since it uses as much as digits as its factorization.

4442431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601.

The product of its digits is 1536, while the sum is 22.

The square root of 4442431 is about 2107.7075224044. The cubic root of 4442431 is about 164.3893066335.

Adding to 4442431 its reverse (1342444), we get a palindrome (5784875).

The spelling of 4442431 in words is "four million, four hundred forty-two thousand, four hundred thirty-one".