3641387 has 2 divisors, whose sum is σ = 3641388. Its totient is φ = 3641386.

The previous prime is 3641381. The next prime is 3641389. The reversal of 3641387 is 7831463.

3641387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (7831463) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3641387 - 2⁴ = 3641371 is a prime.

Together with 3641389, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3641381) 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, 1820693 + 1820694.

It is an arithmetic number, because the mean of its divisors is an integer number (1820694).

Almost surely, 2^3641387 is an apocalyptic number.

3641387 is a deficient number, since it is larger than the sum of its proper divisors (1).

3641387 is an equidigital number, since it uses as much as digits as its factorization.

3641387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 3641387 is about 1908.2418609809. The cubic root of 3641387 is about 153.8469694764.

The spelling of 3641387 in words is "three million, six hundred forty-one thousand, three hundred eighty-seven".