389055744 has 576 divisors, whose sum is σ = 1554094080. Its totient is φ = 92897280.

The previous prime is 389055697. The next prime is 389055749. The reversal of 389055744 is 447550983.

389055744 is a `hidden beast` number, since 3 + 8 + 90 + 557 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a self number, because there is not a number n which added to its sum of digits gives 389055744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389055749) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9047787 + ... + 9047829.

It is an arithmetic number, because the mean of its divisors is an integer number (2698080).

Almost surely, 2^389055744 is an apocalyptic number.

389055744 is a gapful number since it is divisible by the number (34) 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 389055744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (777047040).

389055744 is an abundant number, since it is smaller than the sum of its proper divisors (1165038336).

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

389055744 is a wasteful number, since it uses less digits than its factorization.

389055744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 389055744 is about 19724.4960391894. The cubic root of 389055744 is about 730.0242338862.

The spelling of 389055744 in words is "three hundred eighty-nine million, fifty-five thousand, seven hundred forty-four".