818466 has 16 divisors (see below), whose sum is σ = 1785888. Its totient is φ = 248000.

The previous prime is 818453. The next prime is 818473. The reversal of 818466 is 664818.

818466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 818466.

It is an unprimeable number.

818466 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 7 ways as a sum of consecutive naturals, for example, 6135 + ... + 6266.

It is an arithmetic number, because the mean of its divisors is an integer number (111618).

2⁸¹⁸⁴⁶⁶ is an apocalyptic number.

818466 is an abundant number, since it is smaller than the sum of its proper divisors (967422).

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

818466 is a wasteful number, since it uses less digits than its factorization.

818466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12417.

The product of its digits is 9216, while the sum is 33.

The square root of 818466 is about 904.6911075058. The cubic root of 818466 is about 93.5406135819.

The spelling of 818466 in words is "eight hundred eighteen thousand, four hundred sixty-six".