387471 has 8 divisors (see below), whose sum is σ = 590464. Its totient is φ = 221400.

The previous prime is 387463. The next prime is 387493. The reversal of 387471 is 174783.

It is a happy number.

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

It is not a de Polignac number, because 387471 - 2³ = 387463 is a prime.

It is a super-3 number, since 3×387471³ = 174517452776664333, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387071) 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, 9205 + ... + 9246.

It is an arithmetic number, because the mean of its divisors is an integer number (73808).

2³⁸⁷⁴⁷¹ is an apocalyptic number.

387471 is a deficient number, since it is larger than the sum of its proper divisors (202993).

387471 is a wasteful number, since it uses less digits than its factorization.

387471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18461.

The product of its digits is 4704, while the sum is 30.

The square root of 387471 is about 622.4716861031. The cubic root of 387471 is about 72.9031680409.

It can be divided in two parts, 387 and 471, that added together give a palindrome (858).

The spelling of 387471 in words is "three hundred eighty-seven thousand, four hundred seventy-one".