8981994 has 48 divisors (see below), whose sum is σ = 21143808. Its totient is φ = 2536128.

The previous prime is 8981989. The next prime is 8982007. The reversal of 8981994 is 4991898.

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 23 ways as a sum of consecutive naturals, for example, 40167 + ... + 40389.

It is an arithmetic number, because the mean of its divisors is an integer number (440496).

Almost surely, 2^8981994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8981994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10571904).

8981994 is an abundant number, since it is smaller than the sum of its proper divisors (12161814).

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

8981994 is a wasteful number, since it uses less digits than its factorization.

8981994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 372 counting only the distinct ones).

The product of its digits is 186624, while the sum is 48.

The square root of 8981994 is about 2996.9974974965. The cubic root of 8981994 is about 207.8695712135.

The spelling of 8981994 in words is "eight million, nine hundred eighty-one thousand, nine hundred ninety-four".