388863 has 6 divisors (see below), whose sum is σ = 561704. Its totient is φ = 259236.

The previous prime is 388859. The next prime is 388879. The reversal of 388863 is 368883.

It is not a de Polignac number, because 388863 - 2² = 388859 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388813) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21595 + ... + 21612.

2³⁸⁸⁸⁶³ is an apocalyptic number.

388863 is a deficient number, since it is larger than the sum of its proper divisors (172841).

388863 is a wasteful number, since it uses less digits than its factorization.

388863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43213 (or 43210 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 388863 is about 623.5888068271. The cubic root of 388863 is about 72.9903659019.

The spelling of 388863 in words is "three hundred eighty-eight thousand, eight hundred sixty-three".