3768409 has 2 divisors, whose sum is σ = 3768410. Its totient is φ = 3768408.

The previous prime is 3768377. The next prime is 3768431. The reversal of 3768409 is 9048673.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2039184 + 1729225 = 1428^2 + 1315^2 .

It is an emirp because it is prime and its reverse (9048673) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3768409 - 2⁵ = 3768377 is a prime.

It is not a weakly prime, because it can be changed into another prime (3768109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1884204 + 1884205.

It is an arithmetic number, because the mean of its divisors is an integer number (1884205).

Almost surely, 2^3768409 is an apocalyptic number.

It is an amenable number.

3768409 is a deficient number, since it is larger than the sum of its proper divisors (1).

3768409 is an equidigital number, since it uses as much as digits as its factorization.

3768409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 3768409 is about 1941.2390373161. The cubic root of 3768409 is about 155.6154372817.

The spelling of 3768409 in words is "three million, seven hundred sixty-eight thousand, four hundred nine".