8881866 has 32 divisors (see below), whose sum is σ = 22558080. Its totient is φ = 2537568.

The previous prime is 8881861. The next prime is 8881879. The reversal of 8881866 is 6681888.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8881861) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11371 + ... + 12126.

It is an arithmetic number, because the mean of its divisors is an integer number (704940).

Almost surely, 2^8881866 is an apocalyptic number.

8881866 is an abundant number, since it is smaller than the sum of its proper divisors (13676214).

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

8881866 is a wasteful number, since it uses less digits than its factorization.

8881866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23515 (or 23509 counting only the distinct ones).

The product of its digits is 147456, while the sum is 45.

The square root of 8881866 is about 2980.2459630037. The cubic root of 8881866 is about 207.0942649850.

The spelling of 8881866 in words is "eight million, eight hundred eighty-one thousand, eight hundred sixty-six".