388018 has 8 divisors (see below), whose sum is σ = 612720. Its totient is φ = 183780.

The previous prime is 388009. The next prime is 388051. The reversal of 388018 is 810883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5068 + ... + 5143.

It is an arithmetic number, because the mean of its divisors is an integer number (76590).

2³⁸⁸⁰¹⁸ is an apocalyptic number.

388018 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

388018 is a deficient number, since it is larger than the sum of its proper divisors (224702).

388018 is a wasteful number, since it uses less digits than its factorization.

388018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10232.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 388018 is about 622.9109085576. The cubic root of 388018 is about 72.9374581616.

It can be divided in two parts, 38801 and 8, that added together give a square (38809 = 197²).

The spelling of 388018 in words is "three hundred eighty-eight thousand, eighteen".