4219668 has 48 divisors (see below), whose sum is σ = 11088000. Its totient is φ = 1387584.

The previous prime is 4219651. The next prime is 4219673. The reversal of 4219668 is 8669124.

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

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9393 + ... + 9831.

It is an arithmetic number, because the mean of its divisors is an integer number (231000).

Almost surely, 2^4219668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4219668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5544000).

4219668 is an abundant number, since it is smaller than the sum of its proper divisors (6868332).

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

4219668 is a wasteful number, since it uses less digits than its factorization.

4219668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541 (or 533 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 4219668 is about 2054.1830492923. The cubic root of 4219668 is about 161.5943210271.

The spelling of 4219668 in words is "four million, two hundred nineteen thousand, six hundred sixty-eight".