3934309 has 2 divisors, whose sum is σ = 3934310. Its totient is φ = 3934308.

The previous prime is 3934289. The next prime is 3934339. The reversal of 3934309 is 9034393.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2772225 + 1162084 = 1665^2 + 1078^2 .

It is an emirp because it is prime and its reverse (9034393) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3934309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3934339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1967154 + 1967155.

It is an arithmetic number, because the mean of its divisors is an integer number (1967155).

Almost surely, 2^3934309 is an apocalyptic number.

It is an amenable number.

3934309 is a deficient number, since it is larger than the sum of its proper divisors (1).

3934309 is an equidigital number, since it uses as much as digits as its factorization.

3934309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 3934309 is about 1983.5092639058. The cubic root of 3934309 is about 157.8663212627.

The spelling of 3934309 in words is "three million, nine hundred thirty-four thousand, three hundred nine".