8668356 has 12 divisors (see below), whose sum is σ = 20226192. Its totient is φ = 2889448.

The previous prime is 8668349. The next prime is 8668357. The reversal of 8668356 is 6538668.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (8668357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361170 + ... + 361193.

It is an arithmetic number, because the mean of its divisors is an integer number (1685516).

Almost surely, 2^8668356 is an apocalyptic number.

It is an amenable number.

8668356 is an abundant number, since it is smaller than the sum of its proper divisors (11557836).

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

8668356 is a wasteful number, since it uses less digits than its factorization.

8668356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722370 (or 722368 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 8668356 is about 2944.2071937960. The cubic root of 8668356 is about 205.4213503113.

The spelling of 8668356 in words is "eight million, six hundred sixty-eight thousand, three hundred fifty-six".