4788218 has 4 divisors (see below), whose sum is σ = 7182330. Its totient is φ = 2394108.

The previous prime is 4788197. The next prime is 4788221. The reversal of 4788218 is 8128874.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2486929 + 2301289 = 1577^2 + 1517^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1197053 + ... + 1197056.

Almost surely, 2^4788218 is an apocalyptic number.

4788218 is a deficient number, since it is larger than the sum of its proper divisors (2394112).

4788218 is a wasteful number, since it uses less digits than its factorization.

4788218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2394111.

The product of its digits is 28672, while the sum is 38.

The square root of 4788218 is about 2188.1997166621. The cubic root of 4788218 is about 168.5484015960.

The spelling of 4788218 in words is "four million, seven hundred eighty-eight thousand, two hundred eighteen".