382818 has 8 divisors (see below), whose sum is σ = 765648. Its totient is φ = 127604.

The previous prime is 382813. The next prime is 382843. The reversal of 382818 is 818283.

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

382818 is an admirable number.

It is a super-2 number, since 2×382818² = 293099242248, which contains 22 as substring.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (382813) by changing a digit.

382818 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 31896 + ... + 31907.

It is an arithmetic number, because the mean of its divisors is an integer number (95706).

2³⁸²⁸¹⁸ is an apocalyptic number.

382818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

382818 is a wasteful number, since it uses less digits than its factorization.

382818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63808.

The product of its digits is 3072, while the sum is 30.

The square root of 382818 is about 618.7228781935. The cubic root of 382818 is about 72.6101694047.

The spelling of 382818 in words is "three hundred eighty-two thousand, eight hundred eighteen".