4881220 has 24 divisors (see below), whose sum is σ = 10421208. Its totient is φ = 1920000.

The previous prime is 4881211. The next prime is 4881223. The reversal of 4881220 is 221884.

It can be written as a sum of positive squares in 4 ways, for example, as 352836 + 4528384 = 594^2 + 2128^2 .

It is not an unprimeable number, because it can be changed into a prime (4881223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781 + ... + 3220.

It is an arithmetic number, because the mean of its divisors is an integer number (434217).

Almost surely, 2^4881220 is an apocalyptic number.

It is an amenable number.

4881220 is an abundant number, since it is smaller than the sum of its proper divisors (5539988).

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

4881220 is a wasteful number, since it uses less digits than its factorization.

4881220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4071 (or 4069 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 4881220 is about 2209.3483202067. The cubic root of 4881220 is about 169.6326554688.

The spelling of 4881220 in words is "four million, eight hundred eighty-one thousand, two hundred twenty".