8206668 has 36 divisors (see below), whose sum is σ = 20839728. Its totient is φ = 2723040.

The previous prime is 8206663. The next prime is 8206669. The reversal of 8206668 is 8666028.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (8206663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10830 + ... + 11562.

Almost surely, 2^8206668 is an apocalyptic number.

It is an amenable number.

8206668 is an abundant number, since it is smaller than the sum of its proper divisors (12633060).

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

8206668 is a wasteful number, since it uses less digits than its factorization.

8206668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054 (or 1049 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 8206668 is about 2864.7282593642. The cubic root of 8206668 is about 201.7076121431.

The spelling of 8206668 in words is "eight million, two hundred six thousand, six hundred sixty-eight".