3630667 has 2 divisors, whose sum is σ = 3630668. Its totient is φ = 3630666.

The previous prime is 3630643. The next prime is 3630701. The reversal of 3630667 is 7660363.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3630667 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3630167) 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, 1815333 + 1815334.

It is an arithmetic number, because the mean of its divisors is an integer number (1815334).

Almost surely, 2^3630667 is an apocalyptic number.

3630667 is a deficient number, since it is larger than the sum of its proper divisors (1).

3630667 is an equidigital number, since it uses as much as digits as its factorization.

3630667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 3630667 is about 1905.4309223900. The cubic root of 3630667 is about 153.6958493509.

It can be divided in two parts, 36 and 30667, that added together give a palindrome (30703).

The spelling of 3630667 in words is "three million, six hundred thirty thousand, six hundred sixty-seven".