818282 has 8 divisors (see below), whose sum is σ = 1243200. Its totient is φ = 403884.

The previous prime is 818281. The next prime is 818287. The reversal of 818282 is 282818.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818281) 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 3 ways as a sum of consecutive naturals, for example, 2432 + ... + 2747.

It is an arithmetic number, because the mean of its divisors is an integer number (155400).

2⁸¹⁸²⁸² is an apocalyptic number.

818282 is a deficient number, since it is larger than the sum of its proper divisors (424918).

818282 is a wasteful number, since it uses less digits than its factorization.

818282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5260.

The product of its digits is 2048, while the sum is 29.

The square root of 818282 is about 904.5894096218. The cubic root of 818282 is about 93.5336034097.

The spelling of 818282 in words is "eight hundred eighteen thousand, two hundred eighty-two".