382985 has 4 divisors (see below), whose sum is σ = 459588. Its totient is φ = 306384.

The previous prime is 382979. The next prime is 382999. The reversal of 382985 is 589283.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 589283 = 23 ⋅25621.

It can be written as a sum of positive squares in 2 ways, for example, as 259081 + 123904 = 509^2 + 352^2 .

It is a cyclic number.

It is not a de Polignac number, because 382985 - 2⁸ = 382729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38294 + ... + 38303.

It is an arithmetic number, because the mean of its divisors is an integer number (114897).

2³⁸²⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

382985 is a deficient number, since it is larger than the sum of its proper divisors (76603).

382985 is an equidigital number, since it uses as much as digits as its factorization.

382985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76602.

The product of its digits is 17280, while the sum is 35.

The square root of 382985 is about 618.8578188890. The cubic root of 382985 is about 72.6207263234.

The spelling of 382985 in words is "three hundred eighty-two thousand, nine hundred eighty-five".