30385339 has 2 divisors, whose sum is σ = 30385340. Its totient is φ = 30385338.

The previous prime is 30385331. The next prime is 30385349. The reversal of 30385339 is 93358303.

It is a weak prime.

It is an emirp because it is prime and its reverse (93358303) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30385339 - 2³ = 30385331 is a prime.

It is a super-2 number, since 2×30385339² = 1846537652289842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30385331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15192669 + 15192670.

It is an arithmetic number, because the mean of its divisors is an integer number (15192670).

Almost surely, 2^30385339 is an apocalyptic number.

30385339 is a deficient number, since it is larger than the sum of its proper divisors (1).

30385339 is an equidigital number, since it uses as much as digits as its factorization.

30385339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 34.

The square root of 30385339 is about 5512.2898145870. The cubic root of 30385339 is about 312.0479702431.

The spelling of 30385339 in words is "thirty million, three hundred eighty-five thousand, three hundred thirty-nine".