4728818 has 4 divisors (see below), whose sum is σ = 7093230. Its totient is φ = 2364408.

The previous prime is 4728799. The next prime is 4728883. The reversal of 4728818 is 8188274.

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., 4721929 + 6889 = 2173^2 + 83^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1182203 + ... + 1182206.

Almost surely, 2^4728818 is an apocalyptic number.

4728818 is a deficient number, since it is larger than the sum of its proper divisors (2364412).

4728818 is a wasteful number, since it uses less digits than its factorization.

4728818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364411.

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

The square root of 4728818 is about 2174.5845580248. The cubic root of 4728818 is about 167.8485265447.

The spelling of 4728818 in words is "four million, seven hundred twenty-eight thousand, eight hundred eighteen".