383871 has 8 divisors (see below), whose sum is σ = 515200. Its totient is φ = 254232.

The previous prime is 383869. The next prime is 383891. The reversal of 383871 is 178383.

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

It is not a de Polignac number, because 383871 - 2¹ = 383869 is a prime.

It is a Duffinian number.

383871 is a lucky number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383821) 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, 276 + ... + 918.

It is an arithmetic number, because the mean of its divisors is an integer number (64400).

2³⁸³⁸⁷¹ is an apocalyptic number.

383871 is a deficient number, since it is larger than the sum of its proper divisors (131329).

383871 is a wasteful number, since it uses less digits than its factorization.

383871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845.

The product of its digits is 4032, while the sum is 30.

The square root of 383871 is about 619.5732402227. The cubic root of 383871 is about 72.6766836157.

The spelling of 383871 in words is "three hundred eighty-three thousand, eight hundred seventy-one".