800118 has 40 divisors (see below), whose sum is σ = 1960200. Its totient is φ = 241920.

The previous prime is 800117. The next prime is 800119. The reversal of 800118 is 811008.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (800117) and next prime (800119).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 800118.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800113) 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 19 ways as a sum of consecutive naturals, for example, 1558 + ... + 2006.

It is an arithmetic number, because the mean of its divisors is an integer number (49005).

2⁸⁰⁰¹¹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 800118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (980100).

800118 is an abundant number, since it is smaller than the sum of its proper divisors (1160082).

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

800118 is a wasteful number, since it uses less digits than its factorization.

800118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 800118 is about 894.4931525730. The cubic root of 800118 is about 92.8363406769.

The spelling of 800118 in words is "eight hundred thousand, one hundred eighteen".