4728218 has 16 divisors (see below), whose sum is σ = 8004960. Its totient is φ = 2074800.

The previous prime is 4728211. The next prime is 4728221. The reversal of 4728218 is 8128274.

It is not an unprimeable number, because it can be changed into a prime (4728211) 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, 3068 + ... + 4343.

It is an arithmetic number, because the mean of its divisors is an integer number (500310).

Almost surely, 2^4728218 is an apocalyptic number.

4728218 is a deficient number, since it is larger than the sum of its proper divisors (3276742).

4728218 is a wasteful number, since it uses less digits than its factorization.

4728218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7453.

The product of its digits is 7168, while the sum is 32.

The square root of 4728218 is about 2174.4465962631. The cubic root of 4728218 is about 167.8414272812.

The spelling of 4728218 in words is "four million, seven hundred twenty-eight thousand, two hundred eighteen".