4343220 has 120 divisors (see below), whose sum is σ = 15611904. Its totient is φ = 990144.

The previous prime is 4343219. The next prime is 4343221. The reversal of 4343220 is 223434.

It is an interprime number because it is at equal distance from previous prime (4343219) and next prime (4343221).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a d-powerful number, because it can be written as 4⁷ + 3⁶ + 4¹¹ + 3⁶ + 2 + 2¹⁷ + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 4343193 and 4343202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4343221) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11149 + ... + 11531.

Almost surely, 2^4343220 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 4343220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7805952).

4343220 is an abundant number, since it is smaller than the sum of its proper divisors (11268684).

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

4343220 is a wasteful number, since it uses less digits than its factorization.

4343220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 4343220 is about 2084.0393470374. The cubic root of 4343220 is about 163.1563356369.

Adding to 4343220 its reverse (223434), we get a palindrome (4566654).

The spelling of 4343220 in words is "four million, three hundred forty-three thousand, two hundred twenty".