4641220 has 24 divisors (see below), whose sum is σ = 9840600. Its totient is φ = 1838592.

The previous prime is 4641211. The next prime is 4641223. The reversal of 4641220 is 221464.

It can be written as a sum of positive squares in 4 ways, for example, as 389376 + 4251844 = 624^2 + 2062^2 .

It is not an unprimeable number, because it can be changed into a prime (4641223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1116 + ... + 3244.

It is an arithmetic number, because the mean of its divisors is an integer number (410025).

Almost surely, 2^4641220 is an apocalyptic number.

It is an amenable number.

4641220 is an abundant number, since it is smaller than the sum of its proper divisors (5199380).

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

4641220 is a wasteful number, since it uses less digits than its factorization.

4641220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247 (or 2245 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 4641220 is about 2154.3490896324. The cubic root of 4641220 is about 166.8056352054.

Adding to 4641220 its reverse (221464), we get a palindrome (4862684).

The spelling of 4641220 in words is "four million, six hundred forty-one thousand, two hundred twenty".