388856 has 16 divisors (see below), whose sum is σ = 785400. Its totient is φ = 179424.

The previous prime is 388837. The next prime is 388859. The reversal of 388856 is 658883.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388859) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1766 + ... + 1973.

2³⁸⁸⁸⁵⁶ is an apocalyptic number.

It is an amenable number.

388856 is an abundant number, since it is smaller than the sum of its proper divisors (396544).

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

388856 is a wasteful number, since it uses less digits than its factorization.

388856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3758 (or 3754 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 388856 is about 623.5831941289. The cubic root of 388856 is about 72.9899279280.

The spelling of 388856 in words is "three hundred eighty-eight thousand, eight hundred fifty-six".