4399073 has 12 divisors (see below), whose sum is σ = 5419332. Its totient is φ = 3548160.

The previous prime is 4399067. The next prime is 4399079. The reversal of 4399073 is 3709934.

It is an interprime number because it is at equal distance from previous prime (4399067) and next prime (4399079).

It can be written as a sum of positive squares in 2 ways, for example, as 1940449 + 2458624 = 1393^2 + 1568^2 .

It is not a de Polignac number, because 4399073 - 2⁸ = 4398817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4399079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1808 + ... + 3473.

It is an arithmetic number, because the mean of its divisors is an integer number (451611).

Almost surely, 2^4399073 is an apocalyptic number.

It is an amenable number.

4399073 is a deficient number, since it is larger than the sum of its proper divisors (1020259).

4399073 is a wasteful number, since it uses less digits than its factorization.

4399073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5312 (or 5305 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 4399073 is about 2097.3967197457. The cubic root of 4399073 is about 163.8527455722.

The spelling of 4399073 in words is "four million, three hundred ninety-nine thousand, seventy-three".