8999982 has 36 divisors (see below), whose sum is σ = 20288736. Its totient is φ = 2880360.

The previous prime is 8999981. The next prime is 8999993. The reversal of 8999982 is 2899998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8999981) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 70803 + ... + 70929.

It is an arithmetic number, because the mean of its divisors is an integer number (563576).

Almost surely, 2^8999982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8999982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10144368).

8999982 is an abundant number, since it is smaller than the sum of its proper divisors (11288754).

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

8999982 is a wasteful number, since it uses less digits than its factorization.

8999982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 163 counting only the distinct ones).

The product of its digits is 839808, while the sum is 54.

The square root of 8999982 is about 2999.9969999985. The cubic root of 8999982 is about 208.0082436328.

The spelling of 8999982 in words is "eight million, nine hundred ninety-nine thousand, nine hundred eighty-two".