818182 has 8 divisors (see below), whose sum is σ = 1232136. Its totient is φ = 407472.

The previous prime is 818173. The next prime is 818189. The reversal of 818182 is 281818.

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

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 818182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28 + ... + 1279.

It is an arithmetic number, because the mean of its divisors is an integer number (154017).

2⁸¹⁸¹⁸² is an apocalyptic number.

818182 is a deficient number, since it is larger than the sum of its proper divisors (413954).

818182 is a wasteful number, since it uses less digits than its factorization.

818182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622.

The product of its digits is 1024, while the sum is 28.

The square root of 818182 is about 904.5341342371. The cubic root of 818182 is about 93.5297930927.

It can be divided in two parts, 818 and 182, that added together give a cube (1000 = 10³).

The spelling of 818182 in words is "eight hundred eighteen thousand, one hundred eighty-two".