8212668 has 48 divisors (see below), whose sum is σ = 20109600. Its totient is φ = 2605824.

The previous prime is 8212667. The next prime is 8212681. The reversal of 8212668 is 8662128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8212661) 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 15 ways as a sum of consecutive naturals, for example, 23358 + ... + 23706.

It is an arithmetic number, because the mean of its divisors is an integer number (418950).

Almost surely, 2^8212668 is an apocalyptic number.

It is an amenable number.

8212668 is an abundant number, since it is smaller than the sum of its proper divisors (11896932).

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

8212668 is a wasteful number, since it uses less digits than its factorization.

8212668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446 (or 444 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 8212668 is about 2865.7752877712. The cubic root of 8212668 is about 201.7567571737.

The spelling of 8212668 in words is "eight million, two hundred twelve thousand, six hundred sixty-eight".