3736609 has 2 divisors, whose sum is σ = 3736610. Its totient is φ = 3736608.

The previous prime is 3736591. The next prime is 3736613. The reversal of 3736609 is 9066373.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3629025 + 107584 = 1905^2 + 328^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3736609 is a prime.

3736609 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3736619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1868304 + 1868305.

It is an arithmetic number, because the mean of its divisors is an integer number (1868305).

Almost surely, 2^3736609 is an apocalyptic number.

It is an amenable number.

3736609 is a deficient number, since it is larger than the sum of its proper divisors (1).

3736609 is an equidigital number, since it uses as much as digits as its factorization.

3736609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 34.

The square root of 3736609 is about 1933.0310395852. The cubic root of 3736609 is about 155.1764760685.

The spelling of 3736609 in words is "three million, seven hundred thirty-six thousand, six hundred nine".