4428518 has 8 divisors (see below), whose sum is σ = 6653280. Its totient is φ = 2210760.

The previous prime is 4428511. The next prime is 4428553. The reversal of 4428518 is 8158244.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4428518² = 39223543352648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4428511) 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 3 ways as a sum of consecutive naturals, for example, 323 + ... + 2993.

It is an arithmetic number, because the mean of its divisors is an integer number (831660).

Almost surely, 2^4428518 is an apocalyptic number.

4428518 is a deficient number, since it is larger than the sum of its proper divisors (2224762).

4428518 is a wasteful number, since it uses less digits than its factorization.

4428518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502.

The product of its digits is 10240, while the sum is 32.

The square root of 4428518 is about 2104.4044288112. The cubic root of 4428518 is about 164.2175132881.

The spelling of 4428518 in words is "four million, four hundred twenty-eight thousand, five hundred eighteen".