388671 has 8 divisors (see below), whose sum is σ = 548784. Its totient is φ = 243840.

The previous prime is 388657. The next prime is 388673. The reversal of 388671 is 176883.

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

It is not a de Polignac number, because 388671 - 2⁹ = 388159 is a prime.

388671 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3760 + ... + 3861.

It is an arithmetic number, because the mean of its divisors is an integer number (68598).

2³⁸⁸⁶⁷¹ is an apocalyptic number.

388671 is a deficient number, since it is larger than the sum of its proper divisors (160113).

388671 is a wasteful number, since it uses less digits than its factorization.

388671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7641.

The product of its digits is 8064, while the sum is 33.

The square root of 388671 is about 623.4348402199. The cubic root of 388671 is about 72.9783509958.

The spelling of 388671 in words is "three hundred eighty-eight thousand, six hundred seventy-one".