382891 has 8 divisors (see below), whose sum is σ = 411264. Its totient is φ = 355200.

The previous prime is 382883. The next prime is 382919. The reversal of 382891 is 198283.

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

It is a cyclic number.

It is not a de Polignac number, because 382891 - 2³ = 382883 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1606 + ... + 1828.

It is an arithmetic number, because the mean of its divisors is an integer number (51408).

2³⁸²⁸⁹¹ is an apocalyptic number.

382891 is a deficient number, since it is larger than the sum of its proper divisors (28373).

382891 is a wasteful number, since it uses less digits than its factorization.

382891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341.

The product of its digits is 3456, while the sum is 31.

The square root of 382891 is about 618.7818678662. The cubic root of 382891 is about 72.6147844833.

The spelling of 382891 in words is "three hundred eighty-two thousand, eight hundred ninety-one".