8278284 has 48 divisors (see below), whose sum is σ = 22265600. Its totient is φ = 2344896.

The previous prime is 8278279. The next prime is 8278297. The reversal of 8278284 is 4828728.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11322 + ... + 12030.

Almost surely, 2^8278284 is an apocalyptic number.

8278284 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8278284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11132800).

8278284 is an abundant number, since it is smaller than the sum of its proper divisors (13987316).

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

8278284 is a wasteful number, since it uses less digits than its factorization.

8278284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862 (or 860 counting only the distinct ones).

The product of its digits is 57344, while the sum is 39.

The square root of 8278284 is about 2877.2007229250. The cubic root of 8278284 is about 202.2926516524.

The spelling of 8278284 in words is "eight million, two hundred seventy-eight thousand, two hundred eighty-four".