389856 has 48 divisors (see below), whose sum is σ = 1064448. Its totient is φ = 124800.

The previous prime is 389849. The next prime is 389867. The reversal of 389856 is 658983.

It is a tau number, because it is divible by the number of its divisors (48).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 389856.

It is an unprimeable number.

389856 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2911 + ... + 3041.

It is an arithmetic number, because the mean of its divisors is an integer number (22176).

2³⁸⁹⁸⁵⁶ 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 389856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (532224).

389856 is an abundant number, since it is smaller than the sum of its proper divisors (674592).

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

389856 is a wasteful number, since it uses less digits than its factorization.

389856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 167 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 389856 is about 624.3844969248. The cubic root of 389856 is about 73.0524424570.

The spelling of 389856 in words is "three hundred eighty-nine thousand, eight hundred fifty-six".