3740309 has 2 divisors, whose sum is σ = 3740310. Its totient is φ = 3740308.

The previous prime is 3740291. The next prime is 3740311. The reversal of 3740309 is 9030473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3694084 + 46225 = 1922^2 + 215^2 .

It is a cyclic number.

It is not a de Polignac number, because 3740309 - 2¹⁶ = 3674773 is a prime.

It is a super-2 number, since 2×3740309² = 27979822830962, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 3740311, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3740339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1870154 + 1870155.

It is an arithmetic number, because the mean of its divisors is an integer number (1870155).

Almost surely, 2^3740309 is an apocalyptic number.

It is an amenable number.

3740309 is a deficient number, since it is larger than the sum of its proper divisors (1).

3740309 is an equidigital number, since it uses as much as digits as its factorization.

3740309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 3740309 is about 1933.9878489794. The cubic root of 3740309 is about 155.2276778896.

The spelling of 3740309 in words is "three million, seven hundred forty thousand, three hundred nine".