388017 has 16 divisors (see below), whose sum is σ = 657280. Its totient is φ = 221616.

The previous prime is 388009. The next prime is 388051. The reversal of 388017 is 710883.

It is not a de Polignac number, because 388017 - 2³ = 388009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

388017 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (388057) 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, 838 + ... + 1215.

It is an arithmetic number, because the mean of its divisors is an integer number (41080).

2³⁸⁸⁰¹⁷ is an apocalyptic number.

It is an amenable number.

388017 is a deficient number, since it is larger than the sum of its proper divisors (269263).

388017 is a wasteful number, since it uses less digits than its factorization.

388017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069 (or 2063 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 388017 is about 622.9101058740. The cubic root of 388017 is about 72.9373955034.

The spelling of 388017 in words is "three hundred eighty-eight thousand, seventeen".