4871218 has 12 divisors (see below), whose sum is σ = 8031870. Its totient is φ = 2214080.

The previous prime is 4871213. The next prime is 4871227. The reversal of 4871218 is 8121784.

It can be written as a sum of positive squares in only one way, i.e., 3214849 + 1656369 = 1793^2 + 1287^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4871218.

It is not an unprimeable number, because it can be changed into a prime (4871213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9823 + ... + 10306.

Almost surely, 2^4871218 is an apocalyptic number.

4871218 is a deficient number, since it is larger than the sum of its proper divisors (3160652).

4871218 is a wasteful number, since it uses less digits than its factorization.

4871218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20153 (or 20142 counting only the distinct ones).

The product of its digits is 3584, while the sum is 31.

The square root of 4871218 is about 2207.0835960606. The cubic root of 4871218 is about 169.5167127327.

The spelling of 4871218 in words is "four million, eight hundred seventy-one thousand, two hundred eighteen".