389725056 has 192 divisors, whose sum is σ = 1323878400. Its totient is φ = 107688960.

The previous prime is 389725019. The next prime is 389725067. The reversal of 389725056 is 650527983.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 249205 + ... + 250763.

It is an arithmetic number, because the mean of its divisors is an integer number (6895200).

Almost surely, 2^389725056 is an apocalyptic number.

389725056 is a gapful number since it is divisible by the number (36) 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 389725056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (661939200).

389725056 is an abundant number, since it is smaller than the sum of its proper divisors (934153344).

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

389725056 is a wasteful number, since it uses less digits than its factorization.

389725056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617 (or 1602 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 389725056 is about 19741.4552655066. The cubic root of 389725056 is about 730.4426264168.

The spelling of 389725056 in words is "three hundred eighty-nine million, seven hundred twenty-five thousand, fifty-six".