802278 has 32 divisors (see below), whose sum is σ = 1814400. Its totient is φ = 262728.

The previous prime is 802253. The next prime is 802279. The reversal of 802278 is 872208.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4393 + ... + 4571.

It is an arithmetic number, because the mean of its divisors is an integer number (56700).

2⁸⁰²²⁷⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 802278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (907200).

802278 is an abundant number, since it is smaller than the sum of its proper divisors (1012122).

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

802278 is a wasteful number, since it uses less digits than its factorization.

802278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 802278 is about 895.6997264709. The cubic root of 802278 is about 92.9198059986.

It can be divided in two parts, 8022 and 78, that added together give a square (8100 = 90²).

The spelling of 802278 in words is "eight hundred two thousand, two hundred seventy-eight".