4428547 has 8 divisors (see below), whose sum is σ = 4516560. Its totient is φ = 4341600.

The previous prime is 4428511. The next prime is 4428553. The reversal of 4428547 is 7458244.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4428547 - 2¹⁵ = 4395779 is a prime.

It is a super-2 number, since 2×4428547² = 39224057062418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4428587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16329 + ... + 16597.

It is an arithmetic number, because the mean of its divisors is an integer number (564570).

Almost surely, 2^4428547 is an apocalyptic number.

4428547 is a deficient number, since it is larger than the sum of its proper divisors (88013).

4428547 is a wasteful number, since it uses less digits than its factorization.

4428547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533.

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

The square root of 4428547 is about 2104.4113191104. The cubic root of 4428547 is about 164.2178717449.

The spelling of 4428547 in words is "four million, four hundred twenty-eight thousand, five hundred forty-seven".