818982 has 24 divisors (see below), whose sum is σ = 1791504. Its totient is φ = 270384.

The previous prime is 818977. The next prime is 818999. The reversal of 818982 is 289818.

It is a congruent number.

It is an unprimeable number.

818982 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2983 + ... + 3245.

It is an arithmetic number, because the mean of its divisors is an integer number (74646).

2⁸¹⁸⁹⁸² is an apocalyptic number.

818982 is an abundant number, since it is smaller than the sum of its proper divisors (972522).

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

818982 is a wasteful number, since it uses less digits than its factorization.

818982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444 (or 441 counting only the distinct ones).

The product of its digits is 9216, while the sum is 36.

The square root of 818982 is about 904.9762427821. The cubic root of 818982 is about 93.5602669403.

The spelling of 818982 in words is "eight hundred eighteen thousand, nine hundred eighty-two".