4420830 has 64 divisors (see below), whose sum is σ = 11404800. Its totient is φ = 1094016.

The previous prime is 4420813. The next prime is 4420831. The reversal of 4420830 is 380244.

It is a happy number.

4420830 is nontrivially palindromic in base 14.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4420797 and 4420806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4420831) 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 31 ways as a sum of consecutive naturals, for example, 29596 + ... + 29744.

It is an arithmetic number, because the mean of its divisors is an integer number (178200).

Almost surely, 2^4420830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4420830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5702400).

4420830 is an abundant number, since it is smaller than the sum of its proper divisors (6983970).

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

4420830 is a wasteful number, since it uses less digits than its factorization.

4420830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 4420830 is about 2102.5769902669. The cubic root of 4420830 is about 164.1224298971.

Adding to 4420830 its sum of digits (21), we get a triangular number (4420851 = T₂₉₇₃).

The spelling of 4420830 in words is "four million, four hundred twenty thousand, eight hundred thirty".