4329220 has 72 divisors (see below), whose sum is σ = 11140416. Its totient is φ = 1383936.

The previous prime is 4329211. The next prime is 4329229. The reversal of 4329220 is 229234.

It is an interprime number because it is at equal distance from previous prime (4329211) and next prime (4329229).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4329191 and 4329200.

It is not an unprimeable number, because it can be changed into a prime (4329229) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 40407 + ... + 40513.

It is an arithmetic number, because the mean of its divisors is an integer number (154728).

Almost surely, 2^4329220 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 4329220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5570208).

4329220 is an abundant number, since it is smaller than the sum of its proper divisors (6811196).

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

4329220 is a wasteful number, since it uses less digits than its factorization.

4329220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 4329220 is about 2080.6777741880. The cubic root of 4329220 is about 162.9808400830.

The spelling of 4329220 in words is "four million, three hundred twenty-nine thousand, two hundred twenty".