4439447 has 2 divisors, whose sum is σ = 4439448. Its totient is φ = 4439446.

The previous prime is 4439443. The next prime is 4439453. The reversal of 4439447 is 7449344.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4439447 - 2² = 4439443 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4439443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2219723 + 2219724.

It is an arithmetic number, because the mean of its divisors is an integer number (2219724).

Almost surely, 2^4439447 is an apocalyptic number.

4439447 is a deficient number, since it is larger than the sum of its proper divisors (1).

4439447 is an equidigital number, since it uses as much as digits as its factorization.

4439447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 35.

The square root of 4439447 is about 2106.9995253915. Note that the first 3 decimals coincide. The cubic root of 4439447 is about 164.3524913880.

The spelling of 4439447 in words is "four million, four hundred thirty-nine thousand, four hundred forty-seven".