3706309 has 2 divisors, whose sum is σ = 3706310. Its totient is φ = 3706308.

The previous prime is 3706303. The next prime is 3706369. The reversal of 3706309 is 9036073.

3706309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3629025 + 77284 = 1905^2 + 278^2 .

It is an emirp because it is prime and its reverse (9036073) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3706309 - 2³ = 3706301 is a prime.

It is equal to p₂₆₃₈₁₈ and since 3706309 and 263818 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3706301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1853154 + 1853155.

It is an arithmetic number, because the mean of its divisors is an integer number (1853155).

Almost surely, 2^3706309 is an apocalyptic number.

It is an amenable number.

3706309 is a deficient number, since it is larger than the sum of its proper divisors (1).

3706309 is an equidigital number, since it uses as much as digits as its factorization.

3706309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 3706309 is about 1925.1776541400. The cubic root of 3706309 is about 154.7558974266.

The spelling of 3706309 in words is "three million, seven hundred six thousand, three hundred nine".