4427428 has 12 divisors (see below), whose sum is σ = 7804720. Its totient is φ = 2197512.

The previous prime is 4427417. The next prime is 4427443. The reversal of 4427428 is 8247244.

It is a self number, because there is not a number n which added to its sum of digits gives 4427428.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3426 + ... + 4537.

Almost surely, 2^4427428 is an apocalyptic number.

It is an amenable number.

4427428 is a deficient number, since it is larger than the sum of its proper divisors (3377292).

4427428 is a wasteful number, since it uses less digits than its factorization.

4427428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8106 (or 8104 counting only the distinct ones).

The product of its digits is 14336, while the sum is 31.

The square root of 4427428 is about 2104.1454322361. The cubic root of 4427428 is about 164.2040391208.

It can be divided in two parts, 44 and 27428, that added together give a palindrome (27472).

The spelling of 4427428 in words is "four million, four hundred twenty-seven thousand, four hundred twenty-eight".