4389385 has 32 divisors (see below), whose sum is σ = 7080192. Its totient is φ = 2522880.

The previous prime is 4389379. The next prime is 4389401. The reversal of 4389385 is 5839834.

It is not a de Polignac number, because 4389385 - 2⁷ = 4389257 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4567 + ... + 5443.

It is an arithmetic number, because the mean of its divisors is an integer number (221256).

Almost surely, 2^4389385 is an apocalyptic number.

It is an amenable number.

4389385 is a deficient number, since it is larger than the sum of its proper divisors (2690807).

4389385 is a wasteful number, since it uses less digits than its factorization.

4389385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913.

The product of its digits is 103680, while the sum is 40.

The square root of 4389385 is about 2095.0859170927. The cubic root of 4389385 is about 163.7323738385.

It can be divided in two parts, 4389 and 385, that added together give a palindrome (4774).

The spelling of 4389385 in words is "four million, three hundred eighty-nine thousand, three hundred eighty-five".