8866040 has 48 divisors (see below), whose sum is σ = 20903400. Its totient is φ = 3384128.

The previous prime is 8866019. The next prime is 8866057. The reversal of 8866040 is 406688.

It is a junction number, because it is equal to n+sod(n) for n = 8865988 and 8866006.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 20951 + ... + 21369.

Almost surely, 2^8866040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8866040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10451700).

8866040 is an abundant number, since it is smaller than the sum of its proper divisors (12037360).

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

8866040 is a wasteful number, since it uses less digits than its factorization.

8866040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 8866040 is about 2977.5896292135. The cubic root of 8866040 is about 206.9711894059.

The spelling of 8866040 in words is "eight million, eight hundred sixty-six thousand, forty".