8268666 has 16 divisors (see below), whose sum is σ = 18899904. Its totient is φ = 2362464.

The previous prime is 8268653. The next prime is 8268679. The reversal of 8268666 is 6668628.

It is an interprime number because it is at equal distance from previous prime (8268653) and next prime (8268679).

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 196873 = 8268666 / (8 + 2 + 6 + 8 + 6 + 6 + 6).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98395 + ... + 98478.

It is an arithmetic number, because the mean of its divisors is an integer number (1181244).

Almost surely, 2^8268666 is an apocalyptic number.

8268666 is an abundant number, since it is smaller than the sum of its proper divisors (10631238).

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

8268666 is a wasteful number, since it uses less digits than its factorization.

8268666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196885.

The product of its digits is 165888, while the sum is 42.

The square root of 8268666 is about 2875.5288209302. The cubic root of 8268666 is about 202.2142777318.

The spelling of 8268666 in words is "eight million, two hundred sixty-eight thousand, six hundred sixty-six".