802280 has 32 divisors (see below), whose sum is σ = 1866240. Its totient is φ = 310080.

The previous prime is 802279. The next prime is 802283. The reversal of 802280 is 82208.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (802283) 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 7 ways as a sum of consecutive naturals, for example, 917 + ... + 1563.

It is an arithmetic number, because the mean of its divisors is an integer number (58320).

2⁸⁰²²⁸⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 802280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (933120).

802280 is an abundant number, since it is smaller than the sum of its proper divisors (1063960).

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

802280 is a wasteful number, since it uses less digits than its factorization.

802280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 685 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 802280 is about 895.7008429158. The cubic root of 802280 is about 92.9198832118.

Adding to 802280 its reverse (82208), we get a palindrome (884488).

The spelling of 802280 in words is "eight hundred two thousand, two hundred eighty".