4791220 has 36 divisors (see below), whose sum is σ = 11706660. Its totient is φ = 1642368.

The previous prime is 4791197. The next prime is 4791221. The reversal of 4791220 is 221974.

4791220 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2547216 + 2244004 = 1596^2 + 1498^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4791221) 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 11 ways as a sum of consecutive naturals, for example, 1465 + ... + 3424.

It is an arithmetic number, because the mean of its divisors is an integer number (325185).

Almost surely, 2^4791220 is an apocalyptic number.

It is an amenable number.

4791220 is an abundant number, since it is smaller than the sum of its proper divisors (6915440).

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

4791220 is a wasteful number, since it uses less digits than its factorization.

4791220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4912 (or 4903 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 4791220 is about 2188.8855611932. The cubic root of 4791220 is about 168.5836183576.

The spelling of 4791220 in words is "four million, seven hundred ninety-one thousand, two hundred twenty".