4428838 has 8 divisors (see below), whose sum is σ = 6737040. Its totient is φ = 2183160.

The previous prime is 4428833. The next prime is 4428847. The reversal of 4428838 is 8388244.

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

It is a super-2 number, since 2×4428838² = 39229212060488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4428797 and 4428806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4428833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15453 + ... + 15736.

It is an arithmetic number, because the mean of its divisors is an integer number (842130).

Almost surely, 2^4428838 is an apocalyptic number.

4428838 is a deficient number, since it is larger than the sum of its proper divisors (2308202).

4428838 is a wasteful number, since it uses less digits than its factorization.

4428838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31262.

The product of its digits is 49152, while the sum is 37.

The square root of 4428838 is about 2104.4804584505. The cubic root of 4428838 is about 164.2214685871.

It can be divided in two parts, 44 and 28838, that added together give a palindrome (28882).

The spelling of 4428838 in words is "four million, four hundred twenty-eight thousand, eight hundred thirty-eight".