3636667 has 2 divisors, whose sum is σ = 3636668. Its totient is φ = 3636666.

The previous prime is 3636631. The next prime is 3636683. The reversal of 3636667 is 7666363.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3636667 - 2⁷ = 3636539 is a prime.

It is not a weakly prime, because it can be changed into another prime (3636617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1818333 + 1818334.

It is an arithmetic number, because the mean of its divisors is an integer number (1818334).

Almost surely, 2^3636667 is an apocalyptic number.

3636667 is a deficient number, since it is larger than the sum of its proper divisors (1).

3636667 is an equidigital number, since it uses as much as digits as its factorization.

3636667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 37.

The square root of 3636667 is about 1907.0047194488. The cubic root of 3636667 is about 153.7804681064.

The spelling of 3636667 in words is "three million, six hundred thirty-six thousand, six hundred sixty-seven".