389340112 has 80 divisors (see below), whose sum is σ = 881193600. Its totient is φ = 163215360.

The previous prime is 389340101. The next prime is 389340121. The reversal of 389340112 is 211043983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1385412 + ... + 1385692.

It is an arithmetic number, because the mean of its divisors is an integer number (11014920).

Almost surely, 2^389340112 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 389340112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (440596800).

389340112 is an abundant number, since it is smaller than the sum of its proper divisors (491853488).

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

389340112 is a wasteful number, since it uses less digits than its factorization.

389340112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 389340112 is about 19731.7032209589. The cubic root of 389340112 is about 730.2020532832.

The spelling of 389340112 in words is "three hundred eighty-nine million, three hundred forty thousand, one hundred twelve".