4389963 has 8 divisors (see below), whose sum is σ = 5910528. Its totient is φ = 2898024.

The previous prime is 4389947. The next prime is 4389971. The reversal of 4389963 is 3699834.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4389963 - 2⁴ = 4389947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4389263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6795 + ... + 7412.

It is an arithmetic number, because the mean of its divisors is an integer number (738816).

Almost surely, 2^4389963 is an apocalyptic number.

4389963 is a deficient number, since it is larger than the sum of its proper divisors (1520565).

4389963 is a wasteful number, since it uses less digits than its factorization.

4389963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14313.

The product of its digits is 139968, while the sum is 42.

The square root of 4389963 is about 2095.2238543888. The cubic root of 4389963 is about 163.7395603546.

It can be divided in two parts, 438 and 9963, that added together give a palindrome (10401).

The spelling of 4389963 in words is "four million, three hundred eighty-nine thousand, nine hundred sixty-three".