4240447 has 2 divisors, whose sum is σ = 4240448. Its totient is φ = 4240446.

The previous prime is 4240433. The next prime is 4240451. The reversal of 4240447 is 7440424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4240447 - 2⁷ = 4240319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4240417) 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 as a sum of consecutive naturals, namely, 2120223 + 2120224.

It is an arithmetic number, because the mean of its divisors is an integer number (2120224).

Almost surely, 2^4240447 is an apocalyptic number.

4240447 is a deficient number, since it is larger than the sum of its proper divisors (1).

4240447 is an equidigital number, since it uses as much as digits as its factorization.

4240447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 25.

The square root of 4240447 is about 2059.2345665319. The cubic root of 4240447 is about 161.8591342659.

The spelling of 4240447 in words is "four million, two hundred forty thousand, four hundred forty-seven".