387171 has 6 divisors (see below), whose sum is σ = 559260. Its totient is φ = 258108.

The previous prime is 387169. The next prime is 387173. The reversal of 387171 is 171783.

It is an interprime number because it is at equal distance from previous prime (387169) and next prime (387173).

It is not a de Polignac number, because 387171 - 2¹ = 387169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (387173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21501 + ... + 21518.

It is an arithmetic number, because the mean of its divisors is an integer number (93210).

2³⁸⁷¹⁷¹ is an apocalyptic number.

387171 is a deficient number, since it is larger than the sum of its proper divisors (172089).

387171 is a wasteful number, since it uses less digits than its factorization.

387171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43025 (or 43022 counting only the distinct ones).

The product of its digits is 1176, while the sum is 27.

The square root of 387171 is about 622.2306646253. The cubic root of 387171 is about 72.8843480541.

The spelling of 387171 in words is "three hundred eighty-seven thousand, one hundred seventy-one".