4431481 has 8 divisors (see below), whose sum is σ = 4607744. Its totient is φ = 4257360.

The previous prime is 4431463. The next prime is 4431487. The reversal of 4431481 is 1841344.

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 4431481 - 2⁹ = 4430969 is a prime.

It is a super-2 number, since 2×4431481² = 39276047706722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4431487) 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, 4615 + ... + 5491.

It is an arithmetic number, because the mean of its divisors is an integer number (575968).

Almost surely, 2^4431481 is an apocalyptic number.

It is an amenable number.

4431481 is a deficient number, since it is larger than the sum of its proper divisors (176263).

4431481 is a wasteful number, since it uses less digits than its factorization.

4431481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071.

The product of its digits is 1536, while the sum is 25.

The square root of 4431481 is about 2105.1083107527. The cubic root of 4431481 is about 164.2541296019.

The spelling of 4431481 in words is "four million, four hundred thirty-one thousand, four hundred eighty-one".