3930709 has 2 divisors, whose sum is σ = 3930710. Its totient is φ = 3930708.

The previous prime is 3930683. The next prime is 3930721. The reversal of 3930709 is 9070393.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3912484 + 18225 = 1978^2 + 135^2 .

It is a cyclic number.

It is not a de Polignac number, because 3930709 - 2⁷ = 3930581 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3930799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1965354 + 1965355.

It is an arithmetic number, because the mean of its divisors is an integer number (1965355).

Almost surely, 2^3930709 is an apocalyptic number.

It is an amenable number.

3930709 is a deficient number, since it is larger than the sum of its proper divisors (1).

3930709 is an equidigital number, since it uses as much as digits as its factorization.

3930709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 31.

The square root of 3930709 is about 1982.6015736905. The cubic root of 3930709 is about 157.8181559062.

The spelling of 3930709 in words is "three million, nine hundred thirty thousand, seven hundred nine".