8290866 has 16 divisors (see below), whose sum is σ = 17557344. Its totient is φ = 2601024.

The previous prime is 8290861. The next prime is 8290889. The reversal of 8290866 is 6680928.

It is not an unprimeable number, because it can be changed into a prime (8290861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40540 + ... + 40743.

It is an arithmetic number, because the mean of its divisors is an integer number (1097334).

Almost surely, 2^8290866 is an apocalyptic number.

8290866 is an abundant number, since it is smaller than the sum of its proper divisors (9266478).

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

8290866 is a wasteful number, since it uses less digits than its factorization.

8290866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81305.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 8290866 is about 2879.3863929664. The cubic root of 8290866 is about 202.3950866394.

Adding to 8290866 its product of nonzero digits (41472), we get a palindrome (8332338).

The spelling of 8290866 in words is "eight million, two hundred ninety thousand, eight hundred sixty-six".