3924289 has 2 divisors, whose sum is σ = 3924290. Its totient is φ = 3924288.

The previous prime is 3924287. The next prime is 3924293. The reversal of 3924289 is 9824293.

3924289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2890000 + 1034289 = 1700^2 + 1017^2 .

It is a cyclic number.

It is not a de Polignac number, because 3924289 - 2¹ = 3924287 is a prime.

Together with 3924287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3924281) 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, 1962144 + 1962145.

It is an arithmetic number, because the mean of its divisors is an integer number (1962145).

Almost surely, 2^3924289 is an apocalyptic number.

It is an amenable number.

3924289 is a deficient number, since it is larger than the sum of its proper divisors (1).

3924289 is an equidigital number, since it uses as much as digits as its factorization.

3924289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 3924289 is about 1980.9818272766. The cubic root of 3924289 is about 157.7321879824.

The spelling of 3924289 in words is "three million, nine hundred twenty-four thousand, two hundred eighty-nine".