389575760 has 80 divisors (see below), whose sum is σ = 1068598272. Its totient is φ = 129254400.

The previous prime is 389575741. The next prime is 389575789. The reversal of 389575760 is 67575983.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 389575699 and 389575708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6140 + ... + 28580.

Almost surely, 2^389575760 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 389575760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (534299136).

389575760 is an abundant number, since it is smaller than the sum of its proper divisors (679022512).

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

389575760 is a wasteful number, since it uses less digits than its factorization.

389575760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22492 (or 22486 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 50.

The square root of 389575760 is about 19737.6736217823. The cubic root of 389575760 is about 730.3493417717.

The spelling of 389575760 in words is "three hundred eighty-nine million, five hundred seventy-five thousand, seven hundred sixty".