3641867 has 2 divisors, whose sum is σ = 3641868. Its totient is φ = 3641866.

The previous prime is 3641861. The next prime is 3641881. The reversal of 3641867 is 7681463.

3641867 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 is a cyclic number.

It is not a de Polignac number, because 3641867 - 2⁴ = 3641851 is a prime.

It is not a weakly prime, because it can be changed into another prime (3641861) 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, 1820933 + 1820934.

It is an arithmetic number, because the mean of its divisors is an integer number (1820934).

Almost surely, 2^3641867 is an apocalyptic number.

3641867 is a deficient number, since it is larger than the sum of its proper divisors (1).

3641867 is an equidigital number, since it uses as much as digits as its factorization.

3641867 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 3641867 is about 1908.3676270572. The cubic root of 3641867 is about 153.8537291078.

The spelling of 3641867 in words is "three million, six hundred forty-one thousand, eight hundred sixty-seven".