3668407 has 2 divisors, whose sum is σ = 3668408. Its totient is φ = 3668406.

The previous prime is 3668389. The next prime is 3668419. The reversal of 3668407 is 7048663.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3668407 - 2⁷ = 3668279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3668507) 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, 1834203 + 1834204.

It is an arithmetic number, because the mean of its divisors is an integer number (1834204).

Almost surely, 2^3668407 is an apocalyptic number.

3668407 is a deficient number, since it is larger than the sum of its proper divisors (1).

3668407 is an equidigital number, since it uses as much as digits as its factorization.

3668407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 3668407 is about 1915.3085913241. The cubic root of 3668407 is about 154.2265597659.

The spelling of 3668407 in words is "three million, six hundred sixty-eight thousand, four hundred seven".