801218 has 16 divisors (see below), whose sum is σ = 1330560. Its totient is φ = 358800.

The previous prime is 801217. The next prime is 801247. The reversal of 801218 is 812108.

It is a self number, because there is not a number n which added to its sum of digits gives 801218.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 801218.

It is not an unprimeable number, because it can be changed into a prime (801217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1508 + ... + 1968.

It is an arithmetic number, because the mean of its divisors is an integer number (83160).

2⁸⁰¹²¹⁸ is an apocalyptic number.

801218 is a deficient number, since it is larger than the sum of its proper divisors (529342).

801218 is a wasteful number, since it uses less digits than its factorization.

801218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553.

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 801218 is about 895.1078147352. The cubic root of 801218 is about 92.8788649097.

The spelling of 801218 in words is "eight hundred one thousand, two hundred eighteen".