4219864 has 32 divisors (see below), whose sum is σ = 8755200. Its totient is φ = 1890720.

The previous prime is 4219849. The next prime is 4219871. The reversal of 4219864 is 4689124.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6649 + ... + 7255.

It is an arithmetic number, because the mean of its divisors is an integer number (273600).

Almost surely, 2^4219864 is an apocalyptic number.

4219864 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4219864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4377600).

4219864 is an abundant number, since it is smaller than the sum of its proper divisors (4535336).

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

4219864 is a wasteful number, since it uses less digits than its factorization.

4219864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703 (or 699 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 4219864 is about 2054.2307562686. The cubic root of 4219864 is about 161.5968229614.

The spelling of 4219864 in words is "four million, two hundred nineteen thousand, eight hundred sixty-four".