4216668 has 24 divisors (see below), whose sum is σ = 10105872. Its totient is φ = 1367424.

The previous prime is 4216661. The next prime is 4216669. The reversal of 4216668 is 8666124.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4216661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4305 + ... + 5192.

It is an arithmetic number, because the mean of its divisors is an integer number (421078).

Almost surely, 2^4216668 is an apocalyptic number.

It is an amenable number.

4216668 is an abundant number, since it is smaller than the sum of its proper divisors (5889204).

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

4216668 is a wasteful number, since it uses less digits than its factorization.

4216668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9541 (or 9539 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 4216668 is about 2053.4527021580. The cubic root of 4216668 is about 161.5560164421.

It can be divided in two parts, 4216 and 668, that added together give a palindrome (4884).

The spelling of 4216668 in words is "four million, two hundred sixteen thousand, six hundred sixty-eight".