388143 has 24 divisors (see below), whose sum is σ = 657696. Its totient is φ = 216000.

The previous prime is 388133. The next prime is 388159. The reversal of 388143 is 341883.

It is not a de Polignac number, because 388143 - 2⁵ = 388111 is a prime.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3793 + ... + 3893.

It is an arithmetic number, because the mean of its divisors is an integer number (27404).

2³⁸⁸¹⁴³ is an apocalyptic number.

388143 is a deficient number, since it is larger than the sum of its proper divisors (269553).

388143 is a wasteful number, since it uses less digits than its factorization.

388143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 172 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 388143 is about 623.0112358537. The cubic root of 388143 is about 72.9452895882.

The spelling of 388143 in words is "three hundred eighty-eight thousand, one hundred forty-three".