30468239 has 2 divisors, whose sum is σ = 30468240. Its totient is φ = 30468238.

The previous prime is 30468223. The next prime is 30468247. The reversal of 30468239 is 93286403.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30468239 - 2⁴ = 30468223 is a prime.

It is a super-2 number, since 2×30468239² = 1856627175522242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30468199 and 30468208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30468439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15234119 + 15234120.

It is an arithmetic number, because the mean of its divisors is an integer number (15234120).

Almost surely, 2^30468239 is an apocalyptic number.

30468239 is a deficient number, since it is larger than the sum of its proper divisors (1).

30468239 is an equidigital number, since it uses as much as digits as its factorization.

30468239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 30468239 is about 5519.8042537757. The cubic root of 30468239 is about 312.3314982793.

The spelling of 30468239 in words is "thirty million, four hundred sixty-eight thousand, two hundred thirty-nine".