4399339 has 4 divisors (see below), whose sum is σ = 5027824. Its totient is φ = 3770856.

The previous prime is 4399333. The next prime is 4399361. The reversal of 4399339 is 9339934.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4399339 - 2³ = 4399331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4399331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314232 + ... + 314245.

It is an arithmetic number, because the mean of its divisors is an integer number (1256956).

Almost surely, 2^4399339 is an apocalyptic number.

4399339 is a deficient number, since it is larger than the sum of its proper divisors (628485).

4399339 is an equidigital number, since it uses as much as digits as its factorization.

4399339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628484.

The product of its digits is 78732, while the sum is 40.

The square root of 4399339 is about 2097.4601307295. The cubic root of 4399339 is about 163.8560480825.

The spelling of 4399339 in words is "four million, three hundred ninety-nine thousand, three hundred thirty-nine".