4431368 has 8 divisors (see below), whose sum is σ = 8308830. Its totient is φ = 2215680.

The previous prime is 4431367. The next prime is 4431443. The reversal of 4431368 is 8631344.

It can be written as a sum of positive squares in only one way, i.e., 3467044 + 964324 = 1862^2 + 982^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 4431368.

It is not an unprimeable number, because it can be changed into a prime (4431367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276953 + ... + 276968.

Almost surely, 2^4431368 is an apocalyptic number.

It is an amenable number.

4431368 is a deficient number, since it is larger than the sum of its proper divisors (3877462).

4431368 is a wasteful number, since it uses less digits than its factorization.

4431368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553927 (or 553923 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 4431368 is about 2105.0814711075. The cubic root of 4431368 is about 164.2527334641.

The spelling of 4431368 in words is "four million, four hundred thirty-one thousand, three hundred sixty-eight".