8256984 has 32 divisors (see below), whose sum is σ = 20790000. Its totient is φ = 2732672.

The previous prime is 8256973. The next prime is 8257003. The reversal of 8256984 is 4896528.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2422 + ... + 4730.

Almost surely, 2^8256984 is an apocalyptic number.

It is an amenable number.

8256984 is an abundant number, since it is smaller than the sum of its proper divisors (12533016).

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

8256984 is a wasteful number, since it uses less digits than its factorization.

8256984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2467 (or 2463 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The square root of 8256984 is about 2873.4968244284. The cubic root of 8256984 is about 202.1190031720.

The spelling of 8256984 in words is "eight million, two hundred fifty-six thousand, nine hundred eighty-four".