389485295616 has 96 divisors (see below), whose sum is σ = 1041516403200. Its totient is φ = 129435525120.

The previous prime is 389485295599. The next prime is 389485295687. The reversal of 389485295616 is 616592584983.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1937905 + ... + 2129423.

It is an arithmetic number, because the mean of its divisors is an integer number (10849129200).

Almost surely, 2^389485295616 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 389485295616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520758201600).

389485295616 is an abundant number, since it is smaller than the sum of its proper divisors (652031107584).

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

389485295616 is a wasteful number, since it uses less digits than its factorization.

389485295616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191875 (or 191855 counting only the distinct ones).

The product of its digits is 111974400, while the sum is 66.

The spelling of 389485295616 in words is "three hundred eighty-nine billion, four hundred eighty-five million, two hundred ninety-five thousand, six hundred sixteen".