4443427 has 4 divisors (see below), whose sum is σ = 4538016. Its totient is φ = 4348840.

The previous prime is 4443421. The next prime is 4443431. The reversal of 4443427 is 7243444.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4443427 - 2³ = 4443419 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 4443395 and 4443404.

It is not an unprimeable number, because it can be changed into a prime (4443421) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 47224 + ... + 47317.

It is an arithmetic number, because the mean of its divisors is an integer number (1134504).

Almost surely, 2^4443427 is an apocalyptic number.

4443427 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

4443427 is a deficient number, since it is larger than the sum of its proper divisors (94589).

4443427 is an equidigital number, since it uses as much as digits as its factorization.

4443427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94588.

The product of its digits is 10752, while the sum is 28.

The square root of 4443427 is about 2107.9437848292. The cubic root of 4443427 is about 164.4015911623.

The spelling of 4443427 in words is "four million, four hundred forty-three thousand, four hundred twenty-seven".