4428765 has 48 divisors (see below), whose sum is σ = 8760960. Its totient is φ = 2048640.

The previous prime is 4428751. The next prime is 4428773. The reversal of 4428765 is 5678244.

It is not a de Polignac number, because 4428765 - 2⁶ = 4428701 is a prime.

It is a super-2 number, since 2×4428765² = 39227918850450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11191 + ... + 11579.

It is an arithmetic number, because the mean of its divisors is an integer number (182520).

Almost surely, 2^4428765 is an apocalyptic number.

4428765 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4428765 is a deficient number, since it is larger than the sum of its proper divisors (4332195).

4428765 is a wasteful number, since it uses less digits than its factorization.

4428765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434 (or 431 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 4428765 is about 2104.4631144309. The cubic root of 4428765 is about 164.2205663013.

The spelling of 4428765 in words is "four million, four hundred twenty-eight thousand, seven hundred sixty-five".