3643267 has 2 divisors, whose sum is σ = 3643268. Its totient is φ = 3643266.

The previous prime is 3643217. The next prime is 3643271. The reversal of 3643267 is 7623463.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3643267 - 2⁷ = 3643139 is a prime.

It is not a weakly prime, because it can be changed into another prime (3643217) 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, 1821633 + 1821634.

It is an arithmetic number, because the mean of its divisors is an integer number (1821634).

Almost surely, 2^3643267 is an apocalyptic number.

3643267 is a deficient number, since it is larger than the sum of its proper divisors (1).

3643267 is an equidigital number, since it uses as much as digits as its factorization.

3643267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 31.

The square root of 3643267 is about 1908.7343974477. The cubic root of 3643267 is about 153.8734413072.

The spelling of 3643267 in words is "three million, six hundred forty-three thousand, two hundred sixty-seven".