4389399516 has 96 divisors (see below), whose sum is σ = 10733184000. Its totient is φ = 1394426880.

The previous prime is 4389399481. The next prime is 4389399517. The reversal of 4389399516 is 6159939834.

It is a super-2 number, since 2×4389399516² = 38533656222122068512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4389399517) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16689601 + ... + 16689863.

It is an arithmetic number, because the mean of its divisors is an integer number (111804000).

Almost surely, 2^4389399516 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 4389399516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5366592000).

4389399516 is an abundant number, since it is smaller than the sum of its proper divisors (6343784484).

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

4389399516 is a wasteful number, since it uses less digits than its factorization.

4389399516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739 (or 737 counting only the distinct ones).

The product of its digits is 6298560, while the sum is 57.

The square root of 4389399516 is about 66252.5434681568. The cubic root of 4389399516 is about 1637.3255432969.

The spelling of 4389399516 in words is "four billion, three hundred eighty-nine million, three hundred ninety-nine thousand, five hundred sixteen".