4249447 has 2 divisors, whose sum is σ = 4249448. Its totient is φ = 4249446.

The previous prime is 4249433. The next prime is 4249451. The reversal of 4249447 is 7449424.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4249447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4249417) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2124723 + 2124724.

It is an arithmetic number, because the mean of its divisors is an integer number (2124724).

Almost surely, 2^4249447 is an apocalyptic number.

4249447 is a deficient number, since it is larger than the sum of its proper divisors (1).

4249447 is an equidigital number, since it uses as much as digits as its factorization.

4249447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 34.

The square root of 4249447 is about 2061.4186862450. The cubic root of 4249447 is about 161.9735642481.

The spelling of 4249447 in words is "four million, two hundred forty-nine thousand, four hundred forty-seven".