4500028 has 12 divisors (see below), whose sum is σ = 8480920. Its totient is φ = 2076912.

The previous prime is 4500007. The next prime is 4500029. The reversal of 4500028 is 8200054.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4499978 and 4500014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4500029) 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, 43218 + ... + 43321.

Almost surely, 2^4500028 is an apocalyptic number.

It is an amenable number.

4500028 is a deficient number, since it is larger than the sum of its proper divisors (3980892).

4500028 is a wasteful number, since it uses less digits than its factorization.

4500028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86556 (or 86554 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 4500028 is about 2121.3269432127. The cubic root of 4500028 is about 165.0967048661.

The spelling of 4500028 in words is "four million, five hundred thousand, twenty-eight".