306939701 has 2 divisors, whose sum is σ = 306939702. Its totient is φ = 306939700.

The previous prime is 306939671. The next prime is 306939767. The reversal of 306939701 is 107939603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224220676 + 82719025 = 14974^2 + 9095^2 .

It is a cyclic number.

It is not a de Polignac number, because 306939701 - 2⁶ = 306939637 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p_16607684 and since 306939701 and 16607684 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 (306939601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153469850 + 153469851.

It is an arithmetic number, because the mean of its divisors is an integer number (153469851).

Almost surely, 2^306939701 is an apocalyptic number.

It is an amenable number.

306939701 is a deficient number, since it is larger than the sum of its proper divisors (1).

306939701 is an equidigital number, since it uses as much as digits as its factorization.

306939701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618, while the sum is 38.

The square root of 306939701 is about 17519.6946605813. The cubic root of 306939701 is about 674.5555014104. Note that the first 4 decimals are identical.

The spelling of 306939701 in words is "three hundred six million, nine hundred thirty-nine thousand, seven hundred one".