8266881 has 16 divisors (see below), whose sum is σ = 13260800. Its totient is φ = 4475088.

The previous prime is 8266861. The next prime is 8266889. The reversal of 8266881 is 1886628.

It is not a de Polignac number, because 8266881 - 2⁵ = 8266849 is a prime.

It is a super-2 number, since 2×8266881² = 136682642936322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8266889) 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, 9961 + ... + 10758.

It is an arithmetic number, because the mean of its divisors is an integer number (828800).

Almost surely, 2^8266881 is an apocalyptic number.

It is an amenable number.

8266881 is a deficient number, since it is larger than the sum of its proper divisors (4993919).

8266881 is a wasteful number, since it uses less digits than its factorization.

8266881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20748.

The product of its digits is 36864, while the sum is 39.

The square root of 8266881 is about 2875.2184264852. The cubic root of 8266881 is about 202.1997256681.

The spelling of 8266881 in words is "eight million, two hundred sixty-six thousand, eight hundred eighty-one".