8987922 has 40 divisors (see below), whose sum is σ = 20364300. Its totient is φ = 2962656.

The previous prime is 8987921. The next prime is 8987933. The reversal of 8987922 is 2297898.

It can be written as a sum of positive squares in 2 ways, for example, as 8346321 + 641601 = 2889^2 + 801^2 .

It is not an unprimeable number, because it can be changed into a prime (8987921) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17404 + ... + 17912.

Almost surely, 2^8987922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8987922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10182150).

8987922 is an abundant number, since it is smaller than the sum of its proper divisors (11376378).

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

8987922 is a wasteful number, since it uses less digits than its factorization.

8987922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632 (or 623 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 8987922 is about 2997.9863241850. The cubic root of 8987922 is about 207.9152915672.

The spelling of 8987922 in words is "eight million, nine hundred eighty-seven thousand, nine hundred twenty-two".