8867856 has 40 divisors (see below), whose sum is σ = 23034240. Its totient is φ = 2939776.

The previous prime is 8867843. The next prime is 8867861. The reversal of 8867856 is 6587688.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11086 + ... + 11858.

It is an arithmetic number, because the mean of its divisors is an integer number (575856).

Almost surely, 2^8867856 is an apocalyptic number.

It is an amenable number.

8867856 is an abundant number, since it is smaller than the sum of its proper divisors (14166384).

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

8867856 is a wasteful number, since it uses less digits than its factorization.

8867856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023 (or 1017 counting only the distinct ones).

The product of its digits is 645120, while the sum is 48.

The square root of 8867856 is about 2977.8945582408. The cubic root of 8867856 is about 206.9853195031.

The spelling of 8867856 in words is "eight million, eight hundred sixty-seven thousand, eight hundred fifty-six".