4427328 has 28 divisors (see below), whose sum is σ = 11714480. Its totient is φ = 1475712.

The previous prime is 4427299. The next prime is 4427329. The reversal of 4427328 is 8237244.

It is a junction number, because it is equal to n+sod(n) for n = 4427295 and 4427304.

It is not an unprimeable number, because it can be changed into a prime (4427329) 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, 11338 + ... + 11721.

Almost surely, 2^4427328 is an apocalyptic number.

4427328 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4427328 is an abundant number, since it is smaller than the sum of its proper divisors (7287152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4427328 is a wasteful number, since it uses less digits than its factorization.

4427328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23074 (or 23064 counting only the distinct ones).

The product of its digits is 10752, while the sum is 30.

The square root of 4427328 is about 2104.1216694859. The cubic root of 4427328 is about 164.2028028479.

It can be divided in two parts, 44 and 27328, that added together give a palindrome (27372).

The spelling of 4427328 in words is "four million, four hundred twenty-seven thousand, three hundred twenty-eight".