3655667 has 2 divisors, whose sum is σ = 3655668. Its totient is φ = 3655666.

The previous prime is 3655661. The next prime is 3655681. The reversal of 3655667 is 7665563.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3655667 - 2⁴ = 3655651 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3655667.

It is not a weakly prime, because it can be changed into another prime (3655661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1827833 + 1827834.

It is an arithmetic number, because the mean of its divisors is an integer number (1827834).

Almost surely, 2^3655667 is an apocalyptic number.

3655667 is a deficient number, since it is larger than the sum of its proper divisors (1).

3655667 is an equidigital number, since it uses as much as digits as its factorization.

3655667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 38.

The square root of 3655667 is about 1911.9798639107. The cubic root of 3655667 is about 154.0478150283.

The spelling of 3655667 in words is "three million, six hundred fifty-five thousand, six hundred sixty-seven".