8466978 has 32 divisors (see below), whose sum is σ = 18498816. Its totient is φ = 2567808.

The previous prime is 8466961. The next prime is 8466979. The reversal of 8466978 is 8796648.

It is not an unprimeable number, because it can be changed into a prime (8466979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4951 + ... + 6437.

It is an arithmetic number, because the mean of its divisors is an integer number (578088).

Almost surely, 2^8466978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8466978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9249408).

8466978 is an abundant number, since it is smaller than the sum of its proper divisors (10031838).

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

8466978 is a wasteful number, since it uses less digits than its factorization.

8466978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578.

The product of its digits is 580608, while the sum is 48.

The square root of 8466978 is about 2909.8072101086. The cubic root of 8466978 is about 203.8181289475.

The spelling of 8466978 in words is "eight million, four hundred sixty-six thousand, nine hundred seventy-eight".