8856891 has 16 divisors (see below), whose sum is σ = 13189120. Its totient is φ = 5874120.

The previous prime is 8856877. The next prime is 8856901. The reversal of 8856891 is 1986588.

8856891 is a `hidden beast` number, since 88 + 568 + 9 + 1 = 666.

8856891 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8856891 - 2⁷ = 8856763 is a prime.

It is a Duffinian number.

8856891 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8806891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5286 + ... + 6756.

It is an arithmetic number, because the mean of its divisors is an integer number (824320).

Almost surely, 2^8856891 is an apocalyptic number.

8856891 is a deficient number, since it is larger than the sum of its proper divisors (4332229).

8856891 is a wasteful number, since it uses less digits than its factorization.

8856891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703 (or 1697 counting only the distinct ones).

The product of its digits is 138240, while the sum is 45.

The square root of 8856891 is about 2976.0529229165. The cubic root of 8856891 is about 206.8999726762.

It can be divided in two parts, 885 and 6891, that added together give a 5-th power (7776 = 6⁵).

The spelling of 8856891 in words is "eight million, eight hundred fifty-six thousand, eight hundred ninety-one".