3924287 has 2 divisors, whose sum is σ = 3924288. Its totient is φ = 3924286.

The previous prime is 3924281. The next prime is 3924289. The reversal of 3924287 is 7824293.

It is a strong prime.

It is an emirp because it is prime and its reverse (7824293) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3924287 - 2¹⁰ = 3923263 is a prime.

Together with 3924289, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3924281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1962143 + 1962144.

It is an arithmetic number, because the mean of its divisors is an integer number (1962144).

Almost surely, 2^3924287 is an apocalyptic number.

3924287 is a deficient number, since it is larger than the sum of its proper divisors (1).

3924287 is an equidigital number, since it uses as much as digits as its factorization.

3924287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 3924287 is about 1980.9813224763. The cubic root of 3924287 is about 157.7321611865.

The spelling of 3924287 in words is "three million, nine hundred twenty-four thousand, two hundred eighty-seven".