800802 has 24 divisors (see below), whose sum is σ = 1837836. Its totient is φ = 251136.

The previous prime is 800801. The next prime is 800861. The reversal of 800802 is 208008.

It can be written as a sum of positive squares in 2 ways, for example, as 641601 + 159201 = 801^2 + 399^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1003 + ... + 1614.

2⁸⁰⁰⁸⁰² is an apocalyptic number.

800802 is an abundant number, since it is smaller than the sum of its proper divisors (1037034).

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

800802 is a wasteful number, since it uses less digits than its factorization.

800802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642 (or 2639 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 800802 is about 894.8754103226. The cubic root of 800802 is about 92.8627875971.

The spelling of 800802 in words is "eight hundred thousand, eight hundred two".