388006 has 4 divisors (see below), whose sum is σ = 582012. Its totient is φ = 194002.

The previous prime is 387977. The next prime is 388009. The reversal of 388006 is 600883.

388006 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388009) by changing a digit.

388006 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 as a sum of consecutive naturals, namely, 97000 + ... + 97003.

It is an arithmetic number, because the mean of its divisors is an integer number (145503).

2³⁸⁸⁰⁰⁶ is an apocalyptic number.

388006 is a deficient number, since it is larger than the sum of its proper divisors (194006).

388006 is a wasteful number, since it uses less digits than its factorization.

388006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194005.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 388006 is about 622.9012762870. The cubic root of 388006 is about 72.9367062562.

Adding to 388006 its reverse (600883), we get a palindrome (988889).

The spelling of 388006 in words is "three hundred eighty-eight thousand, six".