3667387 has 2 divisors, whose sum is σ = 3667388. Its totient is φ = 3667386.

The previous prime is 3667357. The next prime is 3667429. The reversal of 3667387 is 7837663.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3667387 - 2¹⁵ = 3634619 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3667357) 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, 1833693 + 1833694.

It is an arithmetic number, because the mean of its divisors is an integer number (1833694).

Almost surely, 2^3667387 is an apocalyptic number.

3667387 is a deficient number, since it is larger than the sum of its proper divisors (1).

3667387 is an equidigital number, since it uses as much as digits as its factorization.

3667387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 40.

The square root of 3667387 is about 1915.0422971830. The cubic root of 3667387 is about 154.2122642171.

The spelling of 3667387 in words is "three million, six hundred sixty-seven thousand, three hundred eighty-seven".