4447879 has 2 divisors, whose sum is σ = 4447880. Its totient is φ = 4447878.

The previous prime is 4447871. The next prime is 4447889. The reversal of 4447879 is 9787444.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4447879 - 2³ = 4447871 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4447871) by changing a digit.

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 as a sum of consecutive naturals, namely, 2223939 + 2223940.

It is an arithmetic number, because the mean of its divisors is an integer number (2223940).

Almost surely, 2^4447879 is an apocalyptic number.

4447879 is a deficient number, since it is larger than the sum of its proper divisors (1).

4447879 is an equidigital number, since it uses as much as digits as its factorization.

4447879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 43.

The square root of 4447879 is about 2108.9995258416. Note that the first 3 decimals coincide. The cubic root of 4447879 is about 164.4564790958.

The spelling of 4447879 in words is "four million, four hundred forty-seven thousand, eight hundred seventy-nine".