388971 has 12 divisors (see below), whose sum is σ = 613080. Its totient is φ = 235680.

The previous prime is 388963. The next prime is 388991. The reversal of 388971 is 179883.

It is not a de Polignac number, because 388971 - 2³ = 388963 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 388971.

It is not an unprimeable number, because it can be changed into a prime (388901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1866 + ... + 2063.

It is an arithmetic number, because the mean of its divisors is an integer number (51090).

2³⁸⁸⁹⁷¹ is an apocalyptic number.

388971 is a deficient number, since it is larger than the sum of its proper divisors (224109).

388971 is a wasteful number, since it uses less digits than its factorization.

388971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3946 (or 3943 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 388971 is about 623.6753963401. The cubic root of 388971 is about 72.9971225487.

It can be divided in two parts, 38 and 8971, that added together give a palindrome (9009).

The spelling of 388971 in words is "three hundred eighty-eight thousand, nine hundred seventy-one".