80836 has 12 divisors (see below), whose sum is σ = 161728. Its totient is φ = 34632.

The previous prime is 80833. The next prime is 80849. The reversal of 80836 is 63808.

80836 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 80836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80831) 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, 1416 + ... + 1471.

2⁸⁰⁸³⁶ is an apocalyptic number.

It is an amenable number.

80836 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80864).

80836 is a wasteful number, since it uses less digits than its factorization.

80836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898 (or 2896 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 80836 is about 284.3167247982. The cubic root of 80836 is about 43.2382662769.

The spelling of 80836 in words is "eighty thousand, eight hundred thirty-six".