3668507 has 2 divisors, whose sum is σ = 3668508. Its totient is φ = 3668506.

The previous prime is 3668503. The next prime is 3668531. The reversal of 3668507 is 7058663.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3668507 - 2² = 3668503 is a prime.

It is not a weakly prime, because it can be changed into another prime (3668503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1834253 + 1834254.

It is an arithmetic number, because the mean of its divisors is an integer number (1834254).

Almost surely, 2^3668507 is an apocalyptic number.

3668507 is a deficient number, since it is larger than the sum of its proper divisors (1).

3668507 is an equidigital number, since it uses as much as digits as its factorization.

3668507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 3668507 is about 1915.3346966000. The cubic root of 3668507 is about 154.2279611476.

The spelling of 3668507 in words is "three million, six hundred sixty-eight thousand, five hundred seven".