4428842 has 12 divisors (see below), whose sum is σ = 7302498. Its totient is φ = 2013000.

The previous prime is 4428833. The next prime is 4428847. The reversal of 4428842 is 2488244.

It can be written as a sum of positive squares in only one way, i.e., 4414201 + 14641 = 2101^2 + 121^2 .

It is a super-2 number, since 2×4428842² = 39229282921928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4428799 and 4428808.

It is not an unprimeable number, because it can be changed into a prime (4428847) 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, 8909 + ... + 9392.

Almost surely, 2^4428842 is an apocalyptic number.

4428842 is a deficient number, since it is larger than the sum of its proper divisors (2873656).

4428842 is a wasteful number, since it uses less digits than its factorization.

4428842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18325 (or 18314 counting only the distinct ones).

The product of its digits is 16384, while the sum is 32.

The square root of 4428842 is about 2104.4814088036. The cubic root of 4428842 is about 164.2215180271.

The spelling of 4428842 in words is "four million, four hundred twenty-eight thousand, eight hundred forty-two".