389138160 has 160 divisors (see below), whose sum is σ = 1289060352. Its totient is φ = 96768000.

The previous prime is 389138147. The next prime is 389138179. The reversal of 389138160 is 61831983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 517785 + ... + 518535.

Almost surely, 2^389138160 is an apocalyptic number.

389138160 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 389138160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (644530176).

389138160 is an abundant number, since it is smaller than the sum of its proper divisors (899922192).

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

389138160 is a wasteful number, since it uses less digits than its factorization.

389138160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911 (or 905 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 389138160 is about 19726.5851074128. The cubic root of 389138160 is about 730.0757787100.

The spelling of 389138160 in words is "three hundred eighty-nine million, one hundred thirty-eight thousand, one hundred sixty".