4439385 has 24 divisors (see below), whose sum is σ = 7862400. Its totient is φ = 2316192.

The previous prime is 4439381. The next prime is 4439389. The reversal of 4439385 is 5839344.

It is an interprime number because it is at equal distance from previous prime (4439381) and next prime (4439389).

It is not a de Polignac number, because 4439385 - 2² = 4439381 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4439381) 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, 1066 + ... + 3164.

It is an arithmetic number, because the mean of its divisors is an integer number (327600).

Almost surely, 2^4439385 is an apocalyptic number.

4439385 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4439385 is a deficient number, since it is larger than the sum of its proper divisors (3423015).

4439385 is a wasteful number, since it uses less digits than its factorization.

4439385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157 (or 2154 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 4439385 is about 2106.9848124749. The cubic root of 4439385 is about 164.3517262851.

The spelling of 4439385 in words is "four million, four hundred thirty-nine thousand, three hundred eighty-five".