8490984 has 32 divisors (see below), whose sum is σ = 21300000. Its totient is φ = 2820672.

The previous prime is 8490949. The next prime is 8491001. The reversal of 8490984 is 4890948.

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 7 ways as a sum of consecutive naturals, for example, 11622 + ... + 12330.

It is an arithmetic number, because the mean of its divisors is an integer number (665625).

Almost surely, 2^8490984 is an apocalyptic number.

It is an amenable number.

8490984 is an abundant number, since it is smaller than the sum of its proper divisors (12809016).

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

8490984 is a wasteful number, since it uses less digits than its factorization.

8490984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217 (or 1213 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 8490984 is about 2913.9293059373. The cubic root of 8490984 is about 204.0105723087.

The spelling of 8490984 in words is "eight million, four hundred ninety thousand, nine hundred eighty-four".