8866920 has 64 divisors (see below), whose sum is σ = 28008000. Its totient is φ = 2239488.

The previous prime is 8866919. The next prime is 8866931. The reversal of 8866920 is 296688.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336 + ... + 4224.

It is an arithmetic number, because the mean of its divisors is an integer number (437625).

Almost surely, 2^8866920 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 8866920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14004000).

8866920 is an abundant number, since it is smaller than the sum of its proper divisors (19141080).

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

8866920 is a wasteful number, since it uses less digits than its factorization.

8866920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3922 (or 3918 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 8866920 is about 2977.7373960778. The cubic root of 8866920 is about 206.9780368305.

The spelling of 8866920 in words is "eight million, eight hundred sixty-six thousand, nine hundred twenty".