4431340 has 12 divisors (see below), whose sum is σ = 9305856. Its totient is φ = 1772528.

The previous prime is 4431311. The next prime is 4431367. The reversal of 4431340 is 431344.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 110764 + ... + 110803.

It is an arithmetic number, because the mean of its divisors is an integer number (775488).

Almost surely, 2^4431340 is an apocalyptic number.

It is an amenable number.

4431340 is an abundant number, since it is smaller than the sum of its proper divisors (4874516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4431340 is a wasteful number, since it uses less digits than its factorization.

4431340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221576 (or 221574 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 4431340 is about 2105.0748205230. The cubic root of 4431340 is about 164.2523875147.

Adding to 4431340 its reverse (431344), we get a palindrome (4862684).

The spelling of 4431340 in words is "four million, four hundred thirty-one thousand, three hundred forty".