4609220 has 96 divisors (see below), whose sum is σ = 12531456. Its totient is φ = 1382400.

The previous prime is 4609217. The next prime is 4609237. The reversal of 4609220 is 229064.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63104 + ... + 63176.

It is an arithmetic number, because the mean of its divisors is an integer number (130536).

Almost surely, 2^4609220 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 4609220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6265728).

4609220 is an abundant number, since it is smaller than the sum of its proper divisors (7922236).

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

4609220 is a wasteful number, since it uses less digits than its factorization.

4609220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 4609220 is about 2146.9094065656. The cubic root of 4609220 is about 166.4213903253.

The spelling of 4609220 in words is "four million, six hundred nine thousand, two hundred twenty".