4439855 has 16 divisors (see below), whose sum is σ = 6220800. Its totient is φ = 2978592.

The previous prime is 4439837. The next prime is 4439857. The reversal of 4439855 is 5589344.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4439855 - 2¹⁰ = 4438831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4439857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296 + ... + 2994.

It is an arithmetic number, because the mean of its divisors is an integer number (388800).

Almost surely, 2^4439855 is an apocalyptic number.

4439855 is a deficient number, since it is larger than the sum of its proper divisors (1780945).

4439855 is a wasteful number, since it uses less digits than its factorization.

4439855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2758.

The product of its digits is 86400, while the sum is 38.

The square root of 4439855 is about 2107.0963433123. The cubic root of 4439855 is about 164.3575260813.

The spelling of 4439855 in words is "four million, four hundred thirty-nine thousand, eight hundred fifty-five".