801836 has 18 divisors (see below), whose sum is σ = 1632708. Its totient is φ = 343560.

The previous prime is 801833. The next prime is 801841. The reversal of 801836 is 638108.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 801836.

It is not an unprimeable number, because it can be changed into a prime (801833) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1850 + ... + 2241.

It is an arithmetic number, because the mean of its divisors is an integer number (90706).

2⁸⁰¹⁸³⁶ is an apocalyptic number.

It is an amenable number.

801836 is an abundant number, since it is smaller than the sum of its proper divisors (830872).

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

801836 is a wasteful number, since it uses less digits than its factorization.

801836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4109 (or 4100 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 801836 is about 895.4529580051. The cubic root of 801836 is about 92.9027387231.

The spelling of 801836 in words is "eight hundred one thousand, eight hundred thirty-six".