3649193 has 2 divisors, whose sum is σ = 3649194. Its totient is φ = 3649192.

The previous prime is 3649181. The next prime is 3649201. The reversal of 3649193 is 3919463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3636649 + 12544 = 1907^2 + 112^2 .

It is an emirp because it is prime and its reverse (3919463) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3649193 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3649133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1824596 + 1824597.

It is an arithmetic number, because the mean of its divisors is an integer number (1824597).

Almost surely, 2^3649193 is an apocalyptic number.

It is an amenable number.

3649193 is a deficient number, since it is larger than the sum of its proper divisors (1).

3649193 is an equidigital number, since it uses as much as digits as its factorization.

3649193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 35.

The square root of 3649193 is about 1910.2861042263. The cubic root of 3649193 is about 153.9568243499.

The spelling of 3649193 in words is "three million, six hundred forty-nine thousand, one hundred ninety-three".