4431965 has 8 divisors (see below), whose sum is σ = 5340600. Its totient is φ = 3530752.

The previous prime is 4431961. The next prime is 4431989. The reversal of 4431965 is 5691344.

It can be written as a sum of positive squares in 4 ways, for example, as 375769 + 4056196 = 613^2 + 2014^2 .

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 4431965 - 2² = 4431961 is a prime.

It is a super-2 number, since 2×4431965² = 39284627522450, which contains 22 as substring.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4431961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440 + ... + 3009.

It is an arithmetic number, because the mean of its divisors is an integer number (667575).

Almost surely, 2^4431965 is an apocalyptic number.

It is an amenable number.

4431965 is a deficient number, since it is larger than the sum of its proper divisors (908635).

4431965 is a wasteful number, since it uses less digits than its factorization.

4431965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711.

The product of its digits is 12960, while the sum is 32.

The square root of 4431965 is about 2105.2232660694. The cubic root of 4431965 is about 164.2601092510.

The spelling of 4431965 in words is "four million, four hundred thirty-one thousand, nine hundred sixty-five".