382857 has 8 divisors (see below), whose sum is σ = 540576. Its totient is φ = 240192.

The previous prime is 382847. The next prime is 382861. The reversal of 382857 is 758283.

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

It is not a de Polignac number, because 382857 - 2⁷ = 382729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (382807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3703 + ... + 3804.

It is an arithmetic number, because the mean of its divisors is an integer number (67572).

2³⁸²⁸⁵⁷ is an apocalyptic number.

It is an amenable number.

382857 is a deficient number, since it is larger than the sum of its proper divisors (157719).

382857 is a wasteful number, since it uses less digits than its factorization.

382857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7527.

The product of its digits is 13440, while the sum is 33.

The square root of 382857 is about 618.7543939238. The cubic root of 382857 is about 72.6126350676.

The spelling of 382857 in words is "three hundred eighty-two thousand, eight hundred fifty-seven".