4389616 has 60 divisors (see below), whose sum is σ = 10814040. Its totient is φ = 1706880.

The previous prime is 4389611. The next prime is 4389647. The reversal of 4389616 is 6169834.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4389611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8370 + ... + 8878.

It is an arithmetic number, because the mean of its divisors is an integer number (180234).

Almost surely, 2^4389616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4389616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5407020).

4389616 is an abundant number, since it is smaller than the sum of its proper divisors (6424424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4389616 is a wasteful number, since it uses less digits than its factorization.

4389616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542 (or 529 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 4389616 is about 2095.1410453714. The cubic root of 4389616 is about 163.7352460339.

It can be divided in two parts, 4389 and 616, that added together give a palindrome (5005).

The spelling of 4389616 in words is "four million, three hundred eighty-nine thousand, six hundred sixteen".