4427865 has 60 divisors (see below), whose sum is σ = 8852844. Its totient is φ = 2104704.

The previous prime is 4427851. The next prime is 4427879. The reversal of 4427865 is 5687244.

It is an interprime number because it is at equal distance from previous prime (4427851) and next prime (4427879).

It can be written as a sum of positive squares in 6 ways, for example, as 254016 + 4173849 = 504^2 + 2043^2 .

It is not a de Polignac number, because 4427865 - 2⁴ = 4427849 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 152671 + ... + 152699.

Almost surely, 2^4427865 is an apocalyptic number.

4427865 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4427865 is a deficient number, since it is larger than the sum of its proper divisors (4424979).

4427865 is a wasteful number, since it uses less digits than its factorization.

4427865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 50 counting only the distinct ones).

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

The square root of 4427865 is about 2104.2492723059. The cubic root of 4427865 is about 164.2094414149.

The spelling of 4427865 in words is "four million, four hundred twenty-seven thousand, eight hundred sixty-five".