3605867 has 2 divisors, whose sum is σ = 3605868. Its totient is φ = 3605866.

The previous prime is 3605857. The next prime is 3605869. The reversal of 3605867 is 7685063.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3605867 - 2⁶ = 3605803 is a prime.

Together with 3605869, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3605869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1802933 + 1802934.

It is an arithmetic number, because the mean of its divisors is an integer number (1802934).

Almost surely, 2^3605867 is an apocalyptic number.

3605867 is a deficient number, since it is larger than the sum of its proper divisors (1).

3605867 is an equidigital number, since it uses as much as digits as its factorization.

3605867 is an evil number, because the sum of its binary digits is even.

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

The square root of 3605867 is about 1898.9120569421. The cubic root of 3605867 is about 153.3450993912.

The spelling of 3605867 in words is "three million, six hundred five thousand, eight hundred sixty-seven".