8981892 has 18 divisors (see below), whose sum is σ = 22704318. Its totient is φ = 2993952.

The previous prime is 8981887. The next prime is 8981897. The reversal of 8981892 is 2981898.

It is an interprime number because it is at equal distance from previous prime (8981887) and next prime (8981897).

It can be written as a sum of positive squares in only one way, i.e., 8856576 + 125316 = 2976^2 + 354^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (8981897) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124713 + ... + 124784.

It is an arithmetic number, because the mean of its divisors is an integer number (1261351).

Almost surely, 2^8981892 is an apocalyptic number.

It is an amenable number.

8981892 is an abundant number, since it is smaller than the sum of its proper divisors (13722426).

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

8981892 is a wasteful number, since it uses less digits than its factorization.

8981892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249507 (or 249502 counting only the distinct ones).

The product of its digits is 82944, while the sum is 45.

The square root of 8981892 is about 2996.9804804169. The cubic root of 8981892 is about 207.8687843512.

The spelling of 8981892 in words is "eight million, nine hundred eighty-one thousand, eight hundred ninety-two".