4444399 has 4 divisors (see below), whose sum is σ = 4517320. Its totient is φ = 4371480.

The previous prime is 4444397. The next prime is 4444409. The reversal of 4444399 is 9934444.

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 4444399 - 2¹ = 4444397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444397) 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 3 ways as a sum of consecutive naturals, for example, 36369 + ... + 36490.

It is an arithmetic number, because the mean of its divisors is an integer number (1129330).

Almost surely, 2^4444399 is an apocalyptic number.

4444399 is a deficient number, since it is larger than the sum of its proper divisors (72921).

4444399 is an equidigital number, since it uses as much as digits as its factorization.

4444399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72920.

The product of its digits is 62208, while the sum is 37.

The square root of 4444399 is about 2108.1743286550. The cubic root of 4444399 is about 164.4135779086.

The spelling of 4444399 in words is "four million, four hundred forty-four thousand, three hundred ninety-nine".