3924247 has 2 divisors, whose sum is σ = 3924248. Its totient is φ = 3924246.

The previous prime is 3924227. The next prime is 3924253. The reversal of 3924247 is 7424293.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3924247 - 2⁷ = 3924119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3924227) 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, 1962123 + 1962124.

It is an arithmetic number, because the mean of its divisors is an integer number (1962124).

Almost surely, 2^3924247 is an apocalyptic number.

3924247 is a deficient number, since it is larger than the sum of its proper divisors (1).

3924247 is an equidigital number, since it uses as much as digits as its factorization.

3924247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 31.

The square root of 3924247 is about 1980.9712264442. The cubic root of 3924247 is about 157.7316252668.

The spelling of 3924247 in words is "three million, nine hundred twenty-four thousand, two hundred forty-seven".