4428745 has 8 divisors (see below), whose sum is σ = 5342400. Its totient is φ = 3524400.

The previous prime is 4428737. The next prime is 4428751. The reversal of 4428745 is 5478244.

It is a happy number.

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

It is not a de Polignac number, because 4428745 - 2³ = 4428737 is a prime.

It is a super-2 number, since 2×4428745² = 39227564550050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4428745.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1231 + ... + 3220.

It is an arithmetic number, because the mean of its divisors is an integer number (667800).

Almost surely, 2^4428745 is an apocalyptic number.

It is an amenable number.

4428745 is a deficient number, since it is larger than the sum of its proper divisors (913655).

4428745 is a wasteful number, since it uses less digits than its factorization.

4428745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4655.

The product of its digits is 35840, while the sum is 34.

The square root of 4428745 is about 2104.4583626197. The cubic root of 4428745 is about 164.2203190980.

The spelling of 4428745 in words is "four million, four hundred twenty-eight thousand, seven hundred forty-five".