389260560 has 320 divisors, whose sum is σ = 1417409280. Its totient is φ = 87490560.

The previous prime is 389260559. The next prime is 389260633. The reversal of 389260560 is 65062983.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 63 ways as a sum of consecutive naturals, for example, 2174551 + ... + 2174729.

It is an arithmetic number, because the mean of its divisors is an integer number (4429404).

Almost surely, 2^389260560 is an apocalyptic number.

389260560 is a gapful number since it is divisible by the number (30) 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 389260560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (708704640).

389260560 is an abundant number, since it is smaller than the sum of its proper divisors (1028148720).

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

389260560 is a wasteful number, since it uses less digits than its factorization.

389260560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 389260560 is about 19729.6872757781. The cubic root of 389260560 is about 730.1523169997.

The spelling of 389260560 in words is "three hundred eighty-nine million, two hundred sixty thousand, five hundred sixty".