388056 has 64 divisors (see below), whose sum is σ = 1094400. Its totient is φ = 114048.

The previous prime is 388051. The next prime is 388057. The reversal of 388056 is 650883.

388056 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10470 + ... + 10506.

It is an arithmetic number, because the mean of its divisors is an integer number (17100).

2³⁸⁸⁰⁵⁶ 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 388056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (547200).

388056 is an abundant number, since it is smaller than the sum of its proper divisors (706344).

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

388056 is a wasteful number, since it uses less digits than its factorization.

388056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 388056 is about 622.9414097650. The cubic root of 388056 is about 72.9398390932.

The spelling of 388056 in words is "three hundred eighty-eight thousand, fifty-six".