389363712 has 96 divisors (see below), whose sum is σ = 1048320000. Its totient is φ = 128507904.

The previous prime is 389363701. The next prime is 389363719. The reversal of 389363712 is 217363983.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389363719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780039 + ... + 780537.

It is an arithmetic number, because the mean of its divisors is an integer number (10920000).

Almost surely, 2^389363712 is an apocalyptic number.

389363712 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389363712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (524160000).

389363712 is an abundant number, since it is smaller than the sum of its proper divisors (658956288).

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

389363712 is a wasteful number, since it uses less digits than its factorization.

389363712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651 (or 631 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 389363712 is about 19732.3012342707. The cubic root of 389363712 is about 730.2168068108.

The spelling of 389363712 in words is "three hundred eighty-nine million, three hundred sixty-three thousand, seven hundred twelve".