8278984 has 64 divisors (see below), whose sum is σ = 19353600. Its totient is φ = 3240000.

The previous prime is 8278973. The next prime is 8278987. The reversal of 8278984 is 4898728.

It is not an unprimeable number, because it can be changed into a prime (8278987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32859 + ... + 33109.

It is an arithmetic number, because the mean of its divisors is an integer number (302400).

Almost surely, 2^8278984 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 8278984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9676800).

8278984 is an abundant number, since it is smaller than the sum of its proper divisors (11074616).

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

8278984 is a wasteful number, since it uses less digits than its factorization.

8278984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 310 counting only the distinct ones).

The product of its digits is 258048, while the sum is 46.

The square root of 8278984 is about 2877.3223663677. The cubic root of 8278984 is about 202.2983533520.

The spelling of 8278984 in words is "eight million, two hundred seventy-eight thousand, nine hundred eighty-four".