8866140 has 24 divisors (see below), whose sum is σ = 24825360. Its totient is φ = 2364288.

The previous prime is 8866139. The next prime is 8866147. The reversal of 8866140 is 416688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8866147) 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 7 ways as a sum of consecutive naturals, for example, 73825 + ... + 73944.

It is an arithmetic number, because the mean of its divisors is an integer number (1034390).

Almost surely, 2^8866140 is an apocalyptic number.

It is an amenable number.

8866140 is an abundant number, since it is smaller than the sum of its proper divisors (15959220).

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

8866140 is a wasteful number, since it uses less digits than its factorization.

8866140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147781 (or 147779 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 8866140 is about 2977.6064212720. The cubic root of 8866140 is about 206.9719675452.

The spelling of 8866140 in words is "eight million, eight hundred sixty-six thousand, one hundred forty".