4399065 has 24 divisors (see below), whose sum is σ = 8319168. Its totient is φ = 2132640.

The previous prime is 4399063. The next prime is 4399067. The reversal of 4399065 is 5609934.

It is an interprime number because it is at equal distance from previous prime (4399063) and next prime (4399067).

It is not a de Polignac number, because 4399065 - 2¹ = 4399063 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4399061) 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 23 ways as a sum of consecutive naturals, for example, 3949 + ... + 4938.

It is an arithmetic number, because the mean of its divisors is an integer number (346632).

Almost surely, 2^4399065 is an apocalyptic number.

4399065 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4399065 is a deficient number, since it is larger than the sum of its proper divisors (3920103).

4399065 is a wasteful number, since it uses less digits than its factorization.

4399065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8909 (or 8906 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 4399065 is about 2097.3948126187. The cubic root of 4399065 is about 163.8526462465.

The spelling of 4399065 in words is "four million, three hundred ninety-nine thousand, sixty-five".